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WO1997048119A1 - Cablage d'elements deflecteurs, toroidaux et de type film a deux cotes destines a des tubes cathodiques, et appareil deflecteur - Google Patents

Cablage d'elements deflecteurs, toroidaux et de type film a deux cotes destines a des tubes cathodiques, et appareil deflecteur Download PDF

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Publication number
WO1997048119A1
WO1997048119A1 PCT/KR1996/000269 KR9600269W WO9748119A1 WO 1997048119 A1 WO1997048119 A1 WO 1997048119A1 KR 9600269 W KR9600269 W KR 9600269W WO 9748119 A1 WO9748119 A1 WO 9748119A1
Authority
WO
WIPO (PCT)
Prior art keywords
wires
films
film
wire
pair
Prior art date
Application number
PCT/KR1996/000269
Other languages
English (en)
Inventor
Baek Young Choi
Soo Ryong Byun
Original Assignee
Orion Electric Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1019960021078A external-priority patent/KR980005228A/ko
Priority claimed from KR1019960021079A external-priority patent/KR980005229A/ko
Application filed by Orion Electric Co., Ltd. filed Critical Orion Electric Co., Ltd.
Publication of WO1997048119A1 publication Critical patent/WO1997048119A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76—Deflecting by magnetic fields only
    • H01J29/768—Deflecting by magnetic fields only using printed windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/70—Electron beam control outside the vessel
    • H01J2229/703—Electron beam control outside the vessel by magnetic fields
    • H01J2229/7032—Conductor design and distribution
    • H01J2229/7035—Wires and conductors
    • H01J2229/7036—Form of conductor
    • H01J2229/7037—Form of conductor flat, e.g. foil, or ribbon type

Definitions

  • the present invention relates to a cathode ray tube, and more particularly to a wiring method and an apparatus employing the method, which can prevent potential difference or capacitance from being formed between the wires of arranged in a film of a toroidal deflection member and between laminated films thereof.
  • Said wires may be arranged in both sides of a two-sided film of a toroidal deflection member.
  • a color picture tube 10 generally comprises a panel 12 having a face plate 18, a phosphor screen 20 formed on the back of the face plate 18, a neck 14 containing, an electron gun 11 for producing electron beams 19a, 19b directed towards the phosphor screen 20, a funnel 13 for connecting the neck 14 and the panel 12, and a deflection yoke 17.
  • the funnel 13 has an internal conductive layer (not shown) contacting an anode 15.
  • a shadow mask 16 with a plurality of slots 16a formed in a desired arrangement is placed directly behind the screen 20 and detachably fixed to the panel 12.
  • the deflection yoke 17 includes a horizontal deflection coil structure and a vertical deflection coil structure.
  • the horizontal deflection coil structure produces horizontal deflection magnetic field to deflect the electron beams 19a, 19b horizontally when horizontal current is applied thereto, while the vertical deflection coil structure produces vertical deflection magnetic field to deflect them vertically by vertical deflection current.
  • the change of the magnetic fields according to the change of currents applied to the deflection yoke make the electron beams 19a and 19b be properly varied to scan over the entire phosphor screen 22, thus providing two dimensional images through the panel 12.
  • a toroidal type method and a saddle type method are used in winding the horizontal deflection coil and the vertical deflection coil, and the horizontal deflection coil is usually wound in a saddle type while the vertical deflection coil in a saddle type or a toroidal type.
  • a deflection yoke 17 comprises a pair of toroidal-type vertical deflection coils 31, 32 and a pair of saddle-type horizontal deflection coils 33, 34 as shown in Figs. 2 and 3.
  • the pair of saddle horizontal deflection coils 33 and 34 are oppositely arranged on the upper and the lower of the inside wall of a bobbin 35, and the pair of vertical deflection coils 31 and 32 wound oppositely around a core structure 36, 37 in a toroidal type so as to form a predetermined deflection circuit.
  • the vertical deflection coils may be fixed to the outer surface of the bobbin 31 while the core structure 36, 37 is mounted on the vertical deflection coils, when the vertical deflection coils are wound in a saddle-type.
  • the core structure for the toroidal vertical deflection coils 31 and 32 includes an upper and a lower cores 36 and 37 separated from each other, which facilitate the winding of the coils therearound. That is, the vertical deflection coils 31 and 32 are firstly wound around the upper and the lower cores 36 and 37 separately from each other, and then the upper and the lower cores 36 and 37 are assembled together.
  • the left coil portions 33b and 34b and the right coil portions 33a and 34a should be so wound as to make currents flow in opposite directions. Since the coils are symmetrically distributed at the upper and lower portions with respect to the X-Z plane, the saddle horizontal deflection coils are divided into upper and lower saddle horizontal deflection coils 33 and 34 and are respectively arranged at upper inner wall and lower inner wall of the bobbin 35 about a pair of projections 35a and 35b of the bobbin 35, in consideration of the fabrication of the coils onto the bobbin. That is, by arranging the upper saddle horizontal deflection coil 33 at the upper inner wall of the bobbin 35 in such a manner as shown in FIG.
  • the current can flow in the opposite directions through left and right coil portions 33a and 33b of the upper saddle horizontal deflection coil 33. Likewise, the current can flow in the opposite directions through left and right coil portions 34a and 34b of the lower saddle horizontal deflection coil 34. Accordingly, when the pair of the upper and the lower saddle horizontal deflection coils 33 and 34 are assembled up and down together, the current through the left coil portions 33a and 34a can flow in an opposite direction to that through the right coil portions 33b and 34b.
  • a film F- ⁇ comprises a deflection portion TF and connection portions A and B.
  • the deflection portion TF has a plurality of wires therein which are arranged in a predetermined pattern.
  • the connection portions A 2 to A 6 and B- j ⁇ to B 5 preferably separated from each other respectively extend from each of the wires so as to electrically connect the wires.
  • Upper ends of the connection portions A 2 to Ag and lower ends of the connection portions B- ⁇ to B 5 are not coated but exposed, thereby respectively forming connection terminals.
  • Each of the connection terminals A 2 to Ag makes an electrical contact with the corresponding one of previous number of the connection terminals B- ⁇ to B 5 , that is, A2 with B j , A 2 with B 2 , ...
  • connection terminal Bg protruding downward from a left wire is connected in series through a separate connection member to an exposed end of the first connection terminal A- ⁇ protruding upward from a right wire of the next film layer.
  • the first and second connection terminals are connected to a power source so as to allow deflection current applied thereto.
  • FIG. 8 shows a circuit diagram of a two-sided film type deflection member of the above patent application, in which all the wires in each film are connected in series and at the same time all the films in series.
  • a connection though it facilitates the connection of wires in each film, allows a large potential difference between upper wires and lower wires in each film, thereby large capacitance formed therebetween, because wires in one side of each film is connected with each other in series and then to wires in the other side which are connected in series. Accordingly, the higher frequency the electric current applied thereto has, the larger ringing or cross talk phenomenon happens, so that strips may be displayed on the screen and the characteristic of the screen deteriorated.
  • the present invention has been made to overcome the above described problems, and accordingly, it is an object of the present invention to provide a wiring method and an apparatus employing the method, which can prevent potential difference or capacitance from being formed between the wires arranged in a film of a toroidal deflection member or arranged in both sides of a two-sided film of a toroidal deflection member and between laminated films thereof. It is another object of the present invention to provide a wiring method and an apparatus employing the method, which can prevent potential difference or capacitance from being formed between laminated films of a film type toroidal deflection member or between laminated films of a two-sided film type toroidal deflection member.
  • the present invention provides a method for wiring in a film type deflection member for a cathode ray tube having a plurality of films laminated with each other, each of the films including a deflection section and a pair of connection sections, the deflection section containing plural pairs of wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the connection sections respectively extending outward from the deflection section to connect the wires with each other and to power source, the method comprising the steps of: (1) connecting each said wires in parallel with each other so as to prevent formation of capacitance between said wires, said each wire being disposed respectively at an upper side and a lower side of each of the films; (2) connecting said plural wires in said each of the films in series to each other; and (3) connecting said wires in said each of the films in series with respect to said each of the films.
  • the present invention further provides a method for wiring in a film type deflection member for a cathode ray tube having a first to Nth films laminated with each other, each of the films containing a first to Mth wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the method comprising the steps of: (1) connecting a front end of a first wire of a first film to power source; (2) connecting a rear end of said first wire of the first films to a front end of a first wire of a second film next to the first film; (3) connecting each first wire of the first to Nth films to each first wire of next film in like manner with step 2 from a rear end of a first wire of the second film to a front end of a first wire of an Nth film; (4) respectively connecting rear ends of the first to (M-l)th wires of the Nth film to front ends of following wires of the first film, said following wires having orders next to those of said first to (M-l
  • the present invention still further provides a method for wiring in a film type deflection member for a cathode ray tube having a first to Nth films laminated with each other, each of the films containing a first to Mth wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the method comprising the steps of:
  • the power source is applied through external jumper terminals and said connecting is performed by using connectors attached to one of the upper end and the lower end of the first to Nth films at one ends thereof and inserting other one of the upper end and the lower end of following film at other ends of the connectors respectively, said following film having orders next to those of said first to Nth films.
  • each of the films may be a two-sided film, in which the same number of wires are arranged at the upper and lower sides thereof and each pair of front and lower wires are connected in parallel with each other through one connection hole, one of said each pair of upper and lower wires having connection terminals for each of the upper end and the lower end of each film.
  • the present invention still further provides deflection apparatuses for a cathode ray tube, having a pair of film type deflection members having a plurality of films laminated with each other, at least one of the film type deflection members employing a toroidal type for horizontal and vertical deflection, each of the films comprising a deflection section containing plural pairs of wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, and a pair of connection sections respectively extending outward from the deflection section to connect the wires with each other and to power source, said wires and said films are connected between said wires and between said films in the manner as described in the foregoing methods.
  • FIG. 1 is a partial longitudinal section of a color- picture cathode ray tube for schematically illustrating the structure thereof;
  • FIG. 2 is a sectional view taken along line 2-2 of FIG. 1 for illustrating a pair of conventional saddle horizontal deflection coils and a pair of conventional toroidal vertical deflection coils;
  • FIG. 3 is a sectional view taken along line 3-3 of FIG. 3;
  • FIG. 4 is a plan view of a film employed in a film- type deflection member;
  • FIG. 5 is a plan view of a flatted two-sided film used for wiring the film-type toroidal deflection member according to one embodiment of the present invention
  • FIG. 6 is a plan view of a flatted two-sided film used for wiring the film-type toroidal deflection member according to another embodiment of the present invention
  • FIG. 7 is a sectional view taken along line 7-7 of FIG. 6;
  • FIG. 8 is a circuit diagram of the conventional two- sided film type deflection member;
  • FIGs. 9A and 9B are plan and sectional views of a two-sided film shown in FIGs. 5 and 6, for showing the construction of one pair of wires in the film;
  • FIG. 10 is a circuit diagram of a toroidal deflection member wired by a wiring method according to another embodiment of the present invention.
  • FIG. 11 is a plan view, in which the laminated films are flatted and extended separately from each other, for illustrating the wiring method of FIG. 10;
  • FIGs. 12A and 12B are circuit diagrams of a toroidal deflection member wired by a wiring method according to another embodiment of the present invention.
  • FIG. 13 is a sectional view for showing the wiring between the connection sections of films by the wiring method according to the embodiment shown in FIG. 12A;
  • FIG. 14 is a plan view, in which the laminated films are flatted and extended separately from each other, for illustrating the wiring method of FIG. 12A.
  • FIGs. 5 and 6 show two kinds of flatted two-sided films F 1 (Fn) used for manufacturing the deflection member and having a wire arrangement according to the present invention. Though only two types of films are illustrated, the present invention is not limited to those types of films.
  • FIGs. 9A and 9B show a toroidal deflection member F which is fabricated by using the two-sided film F ⁇ (Fn) and is mounted around a core 36.
  • the two-sided film F- ⁇ (Fn) having at least one wire E arranged in a predetermined pattern comprises a deflection section TF, a pair of bending sections BF and BF', and a pair of connection sections CF and CF'.
  • the deflection section TF is shown in its flatted state in FIG. 5 and is installed at an inner predetermined position of the core 36 (see FIG. 2) with forming a three- dimensional curvature shape so as to make a predetermined magnetic field pattern.
  • the bending sections BF and BF' respectively extend from both ends of the deflection section TF in its longitudinal direction, and are bent outward from both ends of the core 36 when mounted thereon.
  • connection sections CF and CF' extend in the longitudinal direction from both ends of the bending sections BF and BF' and include connection terminals CE ⁇ , . . . , CEq ⁇ and CE' Q , ...CE' 40 , plug-type support members RP, RP ⁇ , and RP 2/ and connectors C, C ⁇ , and C 2 , so as to electrically interconnect the films or wires.
  • Each wire E ] _, ...,E 4Q is patterned in the deflection section TF in such a manner that it can produce a predetermined magnetic field when it makes a three-dimensional curvature shape.
  • the bending sections BF and BF' of the film F 1 (Fn) have a plurality of slits S formed in the longitudinal direction. Each of the slits S is formed at both ends thereof with a hole for preventing the bending sections from rupturing.
  • the connection terminals CE T _...CE 4 J and CE' Q , ...CE' 40 to be connected to the connector C are formed at front ends of wires E, the upper end in FIG. 5.
  • the connection terminals CE 1 -..CE 41 and CE' 0 , ...CE' 4Q have a width larger than that of wires of the connection sections, and they are more widely spaced from each other as compared with the wires so as to facilitate the connection of the connectors.
  • connection terminals CE-. and CE 4 - ⁇ of the connection terminals CE ⁇ ...CE 4 - ⁇ are formed with jumper wires JE- ⁇ and JE 2 extending outward.
  • the jumper wires JE- ⁇ and JE 2 are accommodated in the connection terminals in the same manner as the wires. End portions of the jumper wires JE- ⁇ and JE 2 are externally exposed to form external jumper terminals 0E- j _ and 0E 2 .
  • the connection terminals CE 41 does have wires connected thereto only in the connection section CF, but not in the bending sections, deflection section, and connection section CF'. Namely, forty wires are provided in the deflection section.
  • FIG. 6 shows another embodiment of the present invention.
  • This embodiment is different from the embodiment shown in FIG. 5, in that each slit CS formed at the center of slits S extends towards the connection sections CF and CF' thereby dividing the connection sections CF and CF', and the divided connection sections CF and CF' are spaced at a predetermined distance from each other.
  • connection terminals CE-i .. ICETI , CEno. • • CE/ ⁇ , CE n • • • CE on / and CE 9 1 • • .CE 4 Q are formed on each end of the divided connection sections CF and CF', respectively.
  • connection terminals CE- ⁇ and CE 4i' which are disposed outermost of the connection terminals CE 1 ...CE 41 , are formed with jumper wires JE- ⁇ and JE 2 extending outward.
  • the jumper wires JE1 and JE 2 are accommodated in the connection terminals in the same manner as the wires. End portions of the jumper wires JE ⁇ and JE 2 are externally exposed to form external jumper terminals OE- ⁇ and 0E 2 .
  • connection terminals CE 41 does have wires connected thereto only in the connection section CF, but not in the bending sections, deflection section, and connection section CF'. Namely, forty wires are provided in the deflection section.
  • a wire E 21 positioned to the left of the center slit CS, or a center jumper wire E j is arranged across the center line of the film or the wire structure and located in the right side of the center slit CS at least at the deflection section TF.
  • the wires can be symmetrically arranged, for example, each twenty wires may be arranged at both sides of the center line in the same patterns.
  • FIG. 7 shows a transverse cross section of the two- sided film F 1 (Fn) shown in FIGs. 5 and 6, in which the same number of wires UE ⁇ to UE 40 and LE- ⁇ to LE 40 are arranged at the upper and lower sides thereof.
  • Each pair of upper and lower wires UE ⁇ and LE- ⁇ to UE 40 and LE 40 are connected in parallel with each other through one connection hole CH, as shown in FIGs. 9A and 9B.
  • Said each pair of upper and lower wires UE- and LE- ⁇ to UE 40 and LE 40 are connected to each of the connection terminals CE ⁇ _...CE 41 , and CE' Q ...CE' 4Q by means of each connection hole CH disposed at the connection sections, as shown in FIGs. 5 and 6, though they may be connected in parallel with each other through connection terminals or connectors formed on both sides of the film without a connection hole CH.
  • FIGs. 9A and 9B illustrate the construction of the connection hole H in detail.
  • the same number of wires UE ⁇ to UE 40 and LE- to LE 4o are arranged at upper and lower sides.
  • every two of the upper and lower wires are electrically connected to each other at the connection sections CF and CF' by means of at least one connection hole CH, so that the upper and lower wires in the deflection section TF are connected in parallel with each other.
  • each of the wires UE ⁇ to UE 4Q and LE ⁇ to LE 40 is branched out into two parallel strands at least in the deflection section. Accordingly, even when one connection terminal is formed at each connection section CF and CF' with respect to two wires, four strands of ampere turns can be obtained at the deflection section TF.
  • the electric conductive material PL for electrically connecting the upper wires to the lower wires is provided in the connection hole CH.
  • the electric conductive material PL can be made by a silver or a gold.
  • the upper wires UE- ⁇ to UE 40 respectively have the same potential as that of the lower wires LE- ⁇ to LE 40 , as apparent by the circuit shown in FIG. 10, thereby eliminating the capacitance therebetween.
  • FIG. 11 shows a plan view, in which the laminated films F ⁇ _ to Fn are flatted and extended separately from each other, for illustrating one wiring method capable of forming the above circuit in each film.
  • the wires E in each film are connected in series to each other by connecting each of the upper connection terminals CE 1 ...CE 4 - ⁇ to each previous one of the lower connection terminals CE' Q ...CE' 4Q , and then the films F- to Fn are connected in series to each other by means of the external jumper terminals OE ⁇ and 0E 2 .
  • FIG. 10 depicts a circuit diagram of a toroidal deflection member wired by the above method.
  • the wiring in the above described manner provides a two-sided film type toroidal deflection member without capacitance between upper and lower wires thereof, thereby capable of preventing the characteristic of the screen from being deteriorated.
  • FIGs. 12A and 12B are circuit diagrams of a two-sided film type deflection member according to other embodiments of the present invention.
  • first wires UE- ⁇ and LE- ⁇ of the uppermost film F- ⁇ is connected to power source, while the other end thereof to first wires UE- ⁇ and LE- ⁇ of a film F 2 next to the uppermost film F ⁇
  • every first wires of films F 2 ...F n are connected in series in like manner, and the other end of first wires UE- j ⁇ and LE- ⁇ of the lowermost film F n is connected to one end of second wires UE 2 and LE 2 of the uppermost film F- ⁇ .
  • every wires after second wires of the second film are connected in the same manner as above, before the other end of the last wires UE 40 and LE 4 g of the lowermost film is connected again to the power source.
  • first wires UE- and LE- j ⁇ of all films F- ⁇ to F n are connected to power source altogether, while each of the other-side ends thereof is to second wires UE 2 and LE 2 of each film.
  • all the wires from the second wires of all films are connected in the same manner as above, before the other-side ends of the last wires UE 40 and LE 40 are connected again to power source altogether. Therefore, the wires are connected in series in each film while in parallel between the films.
  • FIG. 14 is a plan view, in which the laminated films F- j ⁇ to Fn are flatted and extended separately from each other, and shows, together with FIG. 14, the wiring method of forming the circuit shown in FIG. 12A.
  • the lower connection terminals CF n ;CE' n ...CE' 40 of the lowermost film F n are respectively connected to the following one of the upper connection terminals CF 1 ;CE 2 ...CE 4 - ⁇ of the uppermost film F- ⁇ by means of connectors C, C- ⁇ , and C 2 .
  • the the lower connection terminals CF n ;CE' 0 ...CE' 4Q of the uppermost film F- are respectively connected to the upper connection terminals CF ⁇ ;CE 2 ...CE 41 of the second film F 2 by means of connectors C, C j _, and C 2 .
  • the connection terminals in the second, the third, and the following films are connected, so as to complete the circuit in FIG. 12A.
  • the electric power is applied through the external jumper terminals OE ⁇ and OE 2 to the first wire E ⁇ of the uppermost film F- ⁇ and the last wire E 40 of the lowermost film F n .
  • each of the upper connection terminals CE 1 ...CE 41 is connected in series through connectors C, C- j _, and C 2 to each previous one of the lower connection terminals CE' Q ...CE' 40 in each film as shown in FIG. 5 or FIG. 6.
  • the electric power is applied to the external jumper terminals OE- and 0E 2 of the films F- j _...F n .
  • the wiring in the above described manner eliminates the potential difference or capacitance between upper and lower wires of a two-sided film type toroidal deflection member, thereby preventing the characteristic of the screen from being deteriorated.
  • the wiring method and the apparatus employing the method of the present invention provide an advantage of greatly improving the characteristic of the screen.

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Abstract

Cette invention concerne des procédés de câblage ainsi que des appareils faisant appel à ces procédés. Ces procédés de câblage permettent d'éviter la formation d'une différence de potentiel ou d'une capacité entre des câbles qui sont disposés dans le film d'un élément déflecteur toroïdal ou, encore, sur les deux côtés d'un film à deux côtés d'un élément déflecteur toroïdal, et entre les films stratifiés de ce dernier. L'un de ces procédés comprend les étapes suivantes: (1) connecter tous ces câbles les uns aux autres et en parallèle afin d'éviter la formation d'une capacité entre ces derniers, chaque câble étant disposé respectivement sur le côté inférieur et sur le côté supérieur de chacun des films; (2) connecter ces câbles les uns aux autres et en série dans chacun des films; (3) et enfin, connecter les câbles de chaque film en série par rapport à chacun des films.
PCT/KR1996/000269 1996-06-12 1996-12-30 Cablage d'elements deflecteurs, toroidaux et de type film a deux cotes destines a des tubes cathodiques, et appareil deflecteur WO1997048119A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1996/21078 1996-06-12
KR1019960021078A KR980005228A (ko) 1996-06-12 1996-06-12 음극선관의 양면필름형 토로이덜타입 편향부재의 결선방법 및 그 편향장치
KR1019960021079A KR980005229A (ko) 1996-06-12 1996-06-12 음극선관의 필름형 토로이덜 편향부재의 결선방법 및 그편향장치
KR1996/21079 1996-06-12

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WO1997048119A1 true WO1997048119A1 (fr) 1997-12-18

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PCT/KR1996/000269 WO1997048119A1 (fr) 1996-06-12 1996-12-30 Cablage d'elements deflecteurs, toroidaux et de type film a deux cotes destines a des tubes cathodiques, et appareil deflecteur

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234631A (en) * 1960-06-15 1966-02-15 Hazeltine Research Inc Methods of manufacturing magnetic deflection coils and yokes
US3754322A (en) * 1970-05-14 1973-08-28 Marconi Co Ltd Methods of making printed circuit coil
US4543553A (en) * 1983-05-18 1985-09-24 Murata Manufacturing Co., Ltd. Chip-type inductor
US4815990A (en) * 1987-04-10 1989-03-28 Rogers Corporation Flexible circuit having termination features and method of making the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234631A (en) * 1960-06-15 1966-02-15 Hazeltine Research Inc Methods of manufacturing magnetic deflection coils and yokes
US3754322A (en) * 1970-05-14 1973-08-28 Marconi Co Ltd Methods of making printed circuit coil
US4543553A (en) * 1983-05-18 1985-09-24 Murata Manufacturing Co., Ltd. Chip-type inductor
US4815990A (en) * 1987-04-10 1989-03-28 Rogers Corporation Flexible circuit having termination features and method of making the same

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