KR0173003B1 - A bobbin fixing jig of actuator - Google Patents

A bobbin fixing jig of actuator Download PDF

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Publication number
KR0173003B1
KR0173003B1 KR1019950045199A KR19950045199A KR0173003B1 KR 0173003 B1 KR0173003 B1 KR 0173003B1 KR 1019950045199 A KR1019950045199 A KR 1019950045199A KR 19950045199 A KR19950045199 A KR 19950045199A KR 0173003 B1 KR0173003 B1 KR 0173003B1
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South Korea
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bobbin
coil
groove
projection
actuator
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KR1019950045199A
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Korean (ko)
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KR970029410A (en
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이관철
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배순훈
대우전자주식회사
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Publication of KR970029410A publication Critical patent/KR970029410A/en
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925Electromechanical actuators for lens positioning
    • G11B7/0935Details of the moving parts
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925Electromechanical actuators for lens positioning
    • G11B7/0933Details of stationary parts
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/22Apparatus or processes for the manufacture of optical heads, e.g. assembly

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Abstract

본 발명은 광픽업 액츄에이터의 보빈을 안정되게 고정하여 포커싱 코일과 트랙킹 코일을 코일 피씨비에 양호하게 납땜하기 위한 것이다.The present invention is to stably fix the bobbin of the optical pickup actuator to solder the focusing coil and tracking coil to the coil PC well.

이러한 본 발명은 보빈(30)을 안내하는 안내홈(12)이 저면에서 상방으로 확장되면서 형성되고, 상기 안내홈(12)의 저면에 수직으로 끼움홈(14)이 형성되며, 상기 끼움홈(14)의 양측면에 걸림턱(18)을 갖는 돌기홈(16)이 형성되는 몸체(10)와; 상기 돌기홈(16)의 외측으로 출몰되게 설치되고 상기 걸림턱(18)에 걸리는 고정돌기(24)가 형성되며 전면부가 둥근 탄성돌기(22)와, 상기 탄성돌기(22)의 내측에 설치되어 상기 탄성돌기(22)에 탄력을 주는 스프링(26)으로 이루어져 상기 보빈(30)을 고정하는 압지수단(20)으로 구성된 보빈 고정지그로서, 포커싱 코일(32)과 트랙킹 코일(34)을 코일 피씨비(36)에 정확하게 접착하여 제품의 품질을 향상시킬 수 있다.The present invention is formed while the guide groove 12 for guiding the bobbin 30 is extended upward from the bottom, the fitting groove 14 is formed on the bottom of the guide groove 12, the fitting groove ( A body 10 in which protrusion grooves 16 having locking jaws 18 are formed on both sides of the 14; It is installed to be protruded to the outside of the projection groove 16 and the fixing projection 24 is formed on the locking step 18 is formed and the front portion is installed inside the round elastic projection 22 and the elastic projection 22 The bobbin fixing jig composed of the holding means 20 for fixing the bobbin 30 is made of a spring 26 to give elasticity to the elastic projection 22, the focusing coil 32 and the tracking coil 34 coil It can be accurately adhered to (36) to improve the quality of the product.

Description

액츄에이터의 보빈 고정지그Actuator bobbin fixing jig

제1도는 종래의 일반적인 액츄에이터의 개략적인 구조를 나타낸 평면도.1 is a plan view showing a schematic structure of a conventional general actuator.

제2도는 본 발명에 따른 보빈 고정지그의 사용상태 단면도.2 is a cross-sectional view of the bobbin fixing jig according to the present invention.

제3도는 본 발명에 따른 보빈 고정지그의 사용상태 사시도.Figure 3 is a perspective view of the state of use of the bobbin fixing jig according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 몸체 12 : 안내홈10: body 12: guide groove

14 : 끼움공 16 : 돌기홈14: fitting hole 16: projection groove

20 : 압지수단 22 : 탄성돌기20: holding means 22: elastic projection

26 : 스프링 30 : 보빈26: spring 30: bobbin

32 : 포커싱 코일 34 : 트랙킹 코일32: focusing coil 34: tracking coil

36 : 코일 피씨비 36 : 레이저 통과공36: coil PC 36: laser passing hole

본 발명은 광픽업 액츄에이터의 보빈 고정지그에 관한 것으로서, 특히 몸체에 보빈을 끼우는 홈 및 보빈을 고정하는 압지수단이 설치되는 보빈 고정지그를 사용하여 포커싱 코일과 트랙킹 코일을 안정적으로 코일 피씨비에 납땜함으로써, 액츄에이터의 품질과 생산성을 향상시키기 위한 액츄에이터의 보빈 고정지그에 관한 것이다.The present invention relates to a bobbin fixing jig of an optical pick-up actuator, and in particular, by using a bobbin fixing jig in which a groove for fitting a bobbin and a pressing device for fixing the bobbin are installed, the focusing coil and the tracking coil are stably soldered to the coil PCB. The present invention relates to a bobbin fixing jig of an actuator for improving the quality and productivity of the actuator.

일반적으로, 광픽업 액츄에이터는 미니 디스크 플레이어(MDP)나 콤팩트 디스크 플레이어(CDP) 및 레이저 디스크 플레이어(LDP)와 같은 각종 광학 디스크 플레이어의 광기록 매체인 디스크의 수직하방에 설치되어, 그 디스크의 래디얼 방향으로 직선 이동하면서 디스크상에서 원하는 트랙위치를 검출하고, 검출된 트랙위치에서 디스크면상에 기록된 피트에 레이저 광을 입사시킨 다음, 그 반사광을 광학계를 통하여 검출하고, 이렇게 검출된 반사광을 신호로 변환시켜서 디스크면상의 기록내용을 재생하도록 하는 장치이다.In general, an optical pickup actuator is installed below a disc, which is an optical recording medium of various optical disc players, such as a mini disc player (MDP), a compact disc player (CDP), and a laser disc player (LDP). While detecting the desired track position on the disc while linearly moving in the direction, the laser light is incident on the pit recorded on the disc surface at the detected track position. To reproduce the recorded contents on the disc surface.

이러한 액츄에이터의 개략적인 구성을 제1도를 참조하여 설명한다.A schematic configuration of such an actuator will be described with reference to FIG.

한 쌍의 내측 요크(12)와 외측 요크(14)가 각각 형성되어 있는 베이스 플레이트(10)와, 상기 베이스 플레이트(10)의 내측 요크(12)에 끼워져 안착되고 중앙에 대물렌즈(22)가 부착되며 측면에 포커싱 코일(24)과 트랙킹 코일(26)이 감겨 있는 보빈(20)과, 상기 외측 요크(14)의 내측에 위치하는 마그네트(30)와, 상기 보빈에 부착되어 상기 포커싱 코일(24)과 트랙킹 코일(26)이 연결되는 코일 피씨비(28)와, 상기 코일 피씨비(28)에 연결되어 서스펜션 피씨비에(50) 연결된 서스펜션 와이어(40)로 이루어진다.A base plate 10 having a pair of inner yoke 12 and an outer yoke 14 formed therein, and fitted into the inner yoke 12 of the base plate 10 and mounted with an objective lens 22 at the center thereof. A bobbin 20 attached to a side of the focusing coil 24 and a tracking coil 26, a magnet 30 positioned inside the outer yoke 14, and a bobbin 20 attached to the bobbin. 24 and a coil PC 28 to which the tracking coil 26 is connected, and a suspension wire 40 connected to the coil PC 28 and connected to a suspension PC 50.

이러한 구성으로 된 액츄에이터의 조립과정에 있어서, 포커싱 코일(24)과 트랙킹 코일(26)의 납땜작업을 개략적으로 설명한다.In the assembly process of the actuator having such a configuration, the soldering operation of the focusing coil 24 and the tracking coil 26 will be described schematically.

먼저 포커싱 코일(24)과 트랙킹 코일(26)을 보빈(20)에 차례로 감은 뒤, 코일 피씨비(30)를 보빈(20)의 양측면에 접착한다.First, the focusing coil 24 and the tracking coil 26 are wound around the bobbin 20 in turn, and then the coil PC 30 is bonded to both sides of the bobbin 20.

그 다음 보빈(20)을 브이자형 지그에 올려놓고, 한 손으로 보빈(20)을 잡고 다른 한 손으로 납땜 인두기를 사용하여 포커싱 코일(24)과 트랙킹 코일(26)의 일단을 일측 코일 피씨비(30)에 납땜하여 각각 접착한 다음, 보빈(20)의 상하를 바꾸어 타단의 포커싱 코일(24)과 트랙킹 코일(26)을 타측 코일 피씨비(30)에 납땜하여 접착한다.Then, the bobbin 20 is placed on the V-shaped jig, and the bobbin 20 is held by one hand and the soldering iron is held by the other hand to pass one end of the focusing coil 24 and the tracking coil 26 to one side coil PCB ( After soldering to each of 30), the upper and lower sides of the bobbin 20 are changed, and the focusing coil 24 and the tracking coil 26 of the other end are soldered and bonded to the other coil PC 30.

그리고 나서 포커싱 코일(24)과 트랙킹 코일(26)의 필요하지 않은 부분은 절단도구를 사용하여 절단한다.The unnecessary portions of focusing coil 24 and tracking coil 26 are then cut using a cutting tool.

그런데 상기와 같은 포커싱 코일(24)과 트랙킹 코일(26)의 접착작업은, 보빈(20)과 코일 피씨비(30)는 크기가 작고 정밀하여 작업도중 흔들림이나 움직임이 있을 경우 납땜작업이 정확히 이루어지지 않으며, 납땜 후 필요하지 않은 부분의 코일은 도구를 사용하여 절단하여야 하므로 작업이 번거롭고 작업시간이 오래 걸리게 된다.By the way, the bonding work of the focusing coil 24 and the tracking coil 26 as described above, the bobbin 20 and the coil PC 30 is small in size and precise so that the soldering work is not made correctly when there is shaking or movement during the work. And, after soldering, the coil of the unnecessary part must be cut by using a tool, which is cumbersome and takes a long time.

따라서, 접착작업이 정확히 이루어지지 않아 불량품의 생산이 증가하고, 접착작업이 번거롭고 시간이 오래 걸려 생산성이 저하되는 문제점이 발생하였다.Therefore, the adhesive work is not made correctly, the production of defective products is increased, the adhesive work is cumbersome and takes a long time, there is a problem that the productivity is lowered.

본 발명은 상기와 같은 종래의 문제점을 해결하기 위하여 안출한 것으로, 광픽업 액츄에이터의 보빈에 감긴 포커싱 코일과 트랙킹 코일을 코일 피씨비에 납땜할 때, 보빈을 끼우는 홈을 형성한 몸체에 보빈을 고정하는 압지수단을 설치하여 포커싱 코일과 트랙킹 코일을 안정적으로 코일 피씨비에 납땜함으로써, 액츄에이터의 품질과 생산성을 향상시키기 위한 것이다.The present invention has been made to solve the above-mentioned conventional problems, when soldering the focusing coil and the tracking coil wound on the bobbin of the optical pickup actuator to the coil PC, to fix the bobbin to the body formed with the groove to fit the bobbin By providing a holding means to stably solder the focusing coil and the tracking coil to the coil PC, it is to improve the quality and productivity of the actuator.

상기와 같은 목적은, 액츄에이터의 보빈을 안내하는 안내홈이 저면에서 상방으로 확장되면서 형성되고 상기 안내홈의 저면에 연결되어 수직으로 끼움홈이 형성되며 상기 끼움홈의 양측면에 돌기홈이 형성되는 몸체와, 상기 몸체의 돌기홈에 삽입 설치되어 보빈을 고정하는 압지수단으로 구성되는 액츄에이터의 보빈 고정지그를 제공함으로써 달성되어 진다.The above object is, the guide groove for guiding the bobbin of the actuator is formed while extending upward from the bottom and is connected to the bottom of the guide groove to form a vertical fitting groove and the projection groove is formed on both sides of the fitting groove And, it is achieved by providing a bobbin fixing jig of the actuator which is inserted into the projection groove of the body and is composed of a holding means for fixing the bobbin.

이하, 본 발명의 구성을 첨부도면 제2도와 제3도에 의해 상세히 설명하면 다음과 같다.Hereinafter, the configuration of the present invention will be described in detail with reference to FIG. 2 and FIG.

보빈 고정지그의 몸체(10)는 상부에 액츄에이터의 보빈(30)을 안내하는 안내홈(12)이 저면에서 상방으로 확장되면서 형성되고, 상기 안내홈(12)의 저면에 연결되어 수직으로 끼움홈(14)이 형성되며, 상기 끼움홈(14)의 양측면에 돌기홈(16)이 형성된다.The body 10 of the bobbin fixing jig is formed while the guide groove 12 for guiding the bobbin 30 of the actuator is extended upward from the bottom thereof, and is connected to the bottom of the guide groove 12 to vertically fit the groove. 14 is formed, and the projection groove 16 is formed on both sides of the fitting groove (14).

상기 몸체(10)의 돌기홈(16)에는 보빈(30)을 양측에서 고정하는 압지수단(20)이 삽입 설치되고, 돌기홈(16)은 내부에 탄성돌기(22)가 이탈되는 것을 방지하는 걸림턱(18)이 형성된다.Protruding means 20 is inserted into the protruding groove 16 of the body 10 to fix the bobbin 30 from both sides, and the protruding groove 16 prevents the elastic protrusion 22 from being separated therein. A locking jaw 18 is formed.

그리고 압지수단(20)은 돌기홈(16)의 외측에 출몰하게 설치되고 걸림돌기(24)가 형성되며 돌출 되는 전면부가 둥근 탄성돌기(22)와, 상기 탄성돌기(22)의 내측 돌기홈(16)에 설치되어 탄성돌기(22)에 탄력을 주는 스프링(26)으로 구성된다.And the holding means 20 is installed on the outside of the projection groove 16, the engaging projection 24 is formed and the front projection is a rounded elastic projection 22, the inner projection groove of the elastic projection (22) Is installed on the 16 is composed of a spring 26 to give elasticity to the elastic projection (22).

이하에서는 본 발명의 작용과 효과를 상세히 설명한다.Hereinafter, the operation and effect of the present invention will be described in detail.

먼저, 포커싱 코일(32)과 트랙킹 코일(34)이 감겨있는 액츄에이터의 보빈(30)을 조립지그의 안내홈(12)을 따라 끼움홈(14)으로 밀어 넣어 끼운다.First, the bobbin 30 of the actuator in which the focusing coil 32 and the tracking coil 34 are wound is pushed into the fitting groove 14 along the guide groove 12 of the assembly jig.

그러면 압지수단(20)의 탄성돌기(22)가 보빈(30)에 의해 밀려 들어갔다가 보빈(30)의 레이저 통과공(38)이 돌기홈(16)에 위치하면, 탄성돌기(22)가 다시 돌출되면서 레이저 통과공(38)에 일부가 삽입되어 보빈(30)을 탄성적으로 지지한다.Then, when the elastic protrusion 22 of the holding means 20 is pushed by the bobbin 30 and the laser passage hole 38 of the bobbin 30 is positioned in the protrusion groove 16, the elastic protrusion 22 is again. A part is inserted into the laser passage hole 38 while protruding to elastically support the bobbin 30.

따라서 보빈(30)은 끼움홈(14)의 양측면으로부터 좌우측이 지지되고, 끼움홈(14)의 저면으로부터 하부가 지지되며, 탄성돌기(22)에 의해 유동이 억제되는 것이다.Therefore, the bobbin 30 is supported from both side surfaces of the fitting groove 14, the lower side is supported from the bottom surface of the fitting groove 14, and flow is suppressed by the elastic protrusion 22.

이러한 상태에서 보빈(30)의 일측에 접착된 코일 피씨비(36)에 포커싱 코일(32)과 트랙킹 코일(34)의 일단을 인두기를 사용하여 차례로 납땜하는데, 한 손으로는 코일을 잡고 한 손으로는 인두기를 잡고서 작업을 한다.In this state, one end of the focusing coil 32 and the tracking coil 34 are soldered in turn to the coil PC 36 bonded to one side of the bobbin 30 by using a soldering iron. Works by holding the pharynx.

이때 포커싱 코일(32)과 트랙킹 코일(34)이 각각 코일 피씨비(36)에 납땜이 되면 인두기로 납땜부위를 누르고, 한손으로 잡고 있던 코일을 당겨 필요치 않은 부분의 코일을 절단하여 제거한다. 코일은 인두기의 고열에 의해 끊어지기 쉬운 상태에 있고, 보빈(30)이 끼움홈(14)에 고정되어 있으므로 쉽게 절단할 수 있는 것이다.At this time, when the focusing coil 32 and the tracking coil 34 are each soldered to the coil PC 36, the soldering part is pressed with a soldering iron, and the coil held by one hand is pulled to cut and remove the coil of the unnecessary part. The coil is in a state of being easily broken by the high temperature of the iron, and the bobbin 30 is fixed to the fitting groove 14 so that the coil can be easily cut.

이렇게 하여 일측의 코일 피씨비(36)에 포커싱 코일(32)과 트랙킹 코일(34)의 일단을 각각 접착한 후, 보빈(30)을 들어올리면 둥근 전면을 가진 탄성돌기(22)는 미끄러지며 보빈(30)의 레이저 통과공(38)에서 빠져나온다.In this way, after bonding one end of the focusing coil 32 and the tracking coil 34 to the coil PC 36 on one side, and lifts the bobbin 30, the elastic protrusion 22 having a rounded front slides and the bobbin ( It exits from the laser passage hole 38 of 30).

이어서 보빈(30)의 상하 방향을 바꾸어 다시 안내홈(12)을 따라 끼움홈(14)에 삽입시키고, 인두기를 사용하여 보빈(30)의 납땜하지 않은 나머지 일측의 코일 피씨비(36)에 포커싱 코일(32)과 트랙킹 코일(34)을 각각 접착한 다음, 인두기로 납땜부위를 누른 상태에서 코일을 당겨 절단한다.Subsequently, the upper and lower directions of the bobbin 30 are changed and inserted into the fitting groove 14 along the guide groove 12 again, and the focusing coil is applied to the coil PC 36 of the other side of the bobbin 30 that is not soldered using a soldering iron. The 32 and the tracking coil 34 are bonded to each other, and then the coil is pulled and cut while the soldering part is pressed with the iron.

이렇게 하여 포커싱 코일(32)과 트랙킹 코일(34)을 코일 피씨비(36)에 정확하게 접착할 수 있으며, 절단도구를 사용하지 않고 간편하게 필요치 않은 부분의 코일을 절단할 수 있는 것이다.In this way, the focusing coil 32 and the tracking coil 34 can be accurately adhered to the coil PC 36, and the coil of the part which is not necessary can be cut easily without using a cutting tool.

이상에서 설명한 바와 같이, 본 발명은 끼움홈이 형성되고 끼움홈의 양측면에 압지수단이 설치된 액츄에이터의 보빈 고정지그를 사용하여 보빈을 끼우고 안정적으로 납땜작업을 함으로써, 포커싱 코일과 트랙킹 코일을 코일 피씨비에 정확하게 접착하여 제품의 품질을 향상시킬 수 있으며, 필요치 않은 부분의 코일을 절단도구를 사용하지 않고 손으로 잡아당겨 절단함으로써, 절단작업을 간편하게 시간을 절약하여 제품의 생산성을 향상시킬 수 있는 효과를 갖는다.As described above, the present invention by inserting the bobbin by using the bobbin fixing jig of the actuator formed with a fitting groove and the holding means is installed on both sides of the fitting groove, by stably soldering, focusing coil and tracking coil coil PC It is possible to improve the product quality by precisely attaching to the wire, and to cut the coil of the unnecessary part by hand without using a cutting tool to cut the cutting work easily, saving time and improving the productivity of the product. Have

Claims (1)

광픽업 액츄에이터의 보빈(30)에 감긴 포커싱 코일(32)과 트랙킹 코일(34)을 코일 피씨비(36)에 납땜하기 위하여 보빈(30)을 고정하는 지그에 있어서, 상기 보빈(30)을 안내하는 안내홈(12)이 저면에서 상방으로 확장되면서 형성되고, 상기 안내홈(12)의 저면에 수직으로 끼움홈(14)이 형성되며, 상기 끼움홈(14)의 양측면에 걸림턱(18)을 갖는 돌기홈(16)이 형성되는 몸체(10)와; 상기 돌기홈(16)의 외측으로 출몰되게 설치되고 상기 걸림턱(18)에 걸리는 고정돌기(24)가 형성되며 전면부가 둥근 탄성돌기(22)와, 상기 탄성돌기(22)의 내측에 설치되어 상기 탄성돌기(22)에 탄력을 주는 스프링(26)으로 이루어져 상기 보빈(30)을 고정하는 압지수단(20)으로 구성되는 것을 특징으로 하는 액츄에이터의 보빈 고정지그.A jig for fixing the bobbin 30 to solder the focusing coil 32 and the tracking coil 34 wound on the bobbin 30 of the optical pickup actuator to the coil PC 36, for guiding the bobbin 30. The guide groove 12 is formed while extending upward from the bottom, the fitting groove 14 is formed vertically on the bottom of the guide groove 12, the locking projections 18 on both sides of the fitting groove 14 A body 10 having a protrusion groove 16 formed therein; It is installed to be protruded to the outside of the projection groove 16 and the fixing projection 24 is formed on the locking step 18 is formed and the front portion is installed inside the round elastic projection 22 and the elastic projection 22 Bobbin fixing jig of the actuator, characterized in that consisting of a holding means 20 for fixing the bobbin 30 made of a spring 26 to give elasticity to the elastic projection (22).
KR1019950045199A 1995-11-30 1995-11-30 A bobbin fixing jig of actuator KR0173003B1 (en)

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KR1019950045199A KR0173003B1 (en) 1995-11-30 1995-11-30 A bobbin fixing jig of actuator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102512574B1 (en) * 2021-10-12 2023-03-21 정승필 Protection case for display device and method for fabricating the same

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