KR970002924A - Optical pickup objective lens driving device and manufacturing method thereof - Google Patents

Optical pickup objective lens driving device and manufacturing method thereof Download PDF

Info

Publication number
KR970002924A
KR970002924A KR1019950014801A KR19950014801A KR970002924A KR 970002924 A KR970002924 A KR 970002924A KR 1019950014801 A KR1019950014801 A KR 1019950014801A KR 19950014801 A KR19950014801 A KR 19950014801A KR 970002924 A KR970002924 A KR 970002924A
Authority
KR
South Korea
Prior art keywords
objective lens
optical pickup
holder
fixing
groove
Prior art date
Application number
KR1019950014801A
Other languages
Korean (ko)
Other versions
KR0163852B1 (en
Inventor
정명진
심송
Original Assignee
김주용
현대전자산업 주식회사
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
Application filed by 김주용, 현대전자산업 주식회사 filed Critical 김주용
Priority to KR1019950014801A priority Critical patent/KR0163852B1/en
Publication of KR970002924A publication Critical patent/KR970002924A/en
Application granted granted Critical
Publication of KR0163852B1 publication Critical patent/KR0163852B1/en

Links

Classifications

    • 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
    • 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
    • G11B7/0932Details of sprung supports
    • 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
    • G11B7/08Disposition 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

Abstract

본 발명은 대물렌즈홀더와 고정홀더에 홈을 형성하여 서스펜션 역활을 하는 와이어를 자동적으로 고정시킴과 동시에 장치의 부피를 감소시키도록 개량된 구성을 제공하는 광픽업 대물렌즈 구동장치에 관한 것이다.The present invention relates to an optical pickup objective lens driving apparatus that provides an improved configuration to automatically fix a wire serving as a suspension by forming a groove in an objective lens holder and a fixing holder, and at the same time reduce the volume of the apparatus.

대물렌즈를 안착하기 위한 안착 개구부(20)가 형성된 중앙 본체(1a)와, 상기 중앙 본체로부터 연장되고 양돌출벽(22)을 일정한 간격을 두고 형성한 상부 및 하부 지지부(21a,22b)와, 상기 지지부(21)의 양돌출벽(22) 사이에 트랙킹방향 제어용 구동코일이 권선되는 2개의 트랙킹방향 제어용 구동코일부(4)과, 상기 중앙 본체(1a)둘레에 포커스방향 제어용 구동코일이 권선되는 포커스방향 제어용 구동코일부(3)와, 상기 지지부로부터 외부로 돌출되며 그 중앙에 길이방향으로 형성된 홈(15)으로 구성된 대물렌즈홀더와, 조립지그 베이스(9)에 놓이는 수평부(61)와, 상기 수평부로부터 직각으로 연장된 한쌍의 수직부(62)와, 상기 한쌍의 수직부의 내면에 각각 접착제로 부착되는 자석(5)과, 조립지그 베이스(9)의 전방에 그 양측면에 상하로 홈이 형성된 고정홀더(38)를 고정하기 위한 고정부(37)로 구성되는 요크베이스를 갖는 것이다.A center body 1a having a seating opening 20 for mounting an objective lens, upper and lower support portions 21a and 22b extending from the center body and formed with a predetermined gap between the protrusions 22; Two tracking direction control drive coils 4 in which the tracking direction control drive coils are wound between the two protruding walls 22 of the support part 21, and a focusing direction control drive coil is wound around the central body 1a. An objective lens holder consisting of a driving coil portion 3 for focus direction control, a groove 15 protruding outward from the support portion, and having a groove 15 formed in a longitudinal direction at the center thereof, and a horizontal portion 61 placed on the assembly jig base 9; And a pair of vertical portions 62 extending at right angles from the horizontal portion, magnets 5 attached to the inner surfaces of the pair of vertical portions with adhesive, respectively, and up and down on both sides thereof in front of the assembly jig base 9. The fixed holder 38 with the groove It has a yoke base composed of fixing parts 37 for determining.

Description

광픽업 대물렌즈 구동장치와 그 제조방법Optical pickup objective lens driving device and manufacturing method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 광픽업 대물렌즈 구동장치의 사시도, 제3도는 본 발명의 대물렌즈홀더에 형성된 홈을 도시한 일부사시도, 제4도는 본 발명의 대물렌즈홀더의 결합 사시도.Figure 2 is a perspective view of the optical pickup objective lens driving apparatus according to the present invention, Figure 3 is a partial perspective view showing a groove formed in the objective lens holder of the present invention, Figure 4 is a perspective view of the combined objective lens holder of the present invention.

Claims (18)

대물렌즈를 안착하기 위한 안착 개구부(20)가 형성된 중앙 본체(1a)와, 상기 중앙 본체로부터 연장되고 양돌출벽(22)을 일정한 간격을 두고 형성한 상부 및 하부 지지부(21a,22b)와, 상기 지지부(21)의 양돌출벽(22) 사이에 트랙킹방향 제어용 구동코일이 권선되는 2개의 트랙킹방향 제어용 구동코일부(4)과, 상기 중앙 본체(1a) 둘레에 포커스방향 제어용 구동 코일이 권선되는 포커스방향 제어용 구동코일부(3)와, 상기 지지부로부터 외부로 돌출되며 그 중앙에 길이방향으로 형성된 홈(15)이 형성된 부(14)로 구성된 대물렌즈홀더를 갖는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.A center body 1a having a seating opening 20 for mounting an objective lens, upper and lower support portions 21a and 22b extending from the center body and formed with a predetermined gap between the protrusions 22; Two tracking direction control drive coils 4 in which the tracking direction control drive coils are wound between the two protruding walls 22 of the support part 21, and a focusing direction control drive coil is wound around the central body 1a. And an objective lens holder having a focusing direction control driving coil part 3 and a part 14 protruding outward from the support part and having a groove 15 formed in the longitudinal direction at the center thereof. Lens drive. 제1항에 있어서, 상기 홈(15)은 슬롯 형상인 것을 특징으로 하는 광픽업 대물렌즈 구동장치.2. The optical pickup objective lens driving device according to claim 1, wherein the groove (15) has a slot shape. 제2항에 있어서, 상기 슬롯은 접착제의 투입이 용이하도록 트랙킹방향으로 형성되는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.The optical pickup objective lens driving apparatus of claim 2, wherein the slot is formed in a tracking direction to facilitate the insertion of the adhesive. 제1항에 있어서, 상기 대물렌즈홀더는 구동코일이 직접권선되는 코아형인 것을 특징으로 하는 광픽업 대물렌즈 구동장치.The optical pickup objective lens driving apparatus of claim 1, wherein the objective lens holder is of a core type in which a driving coil is directly wound. 제1항에 있어서, 상기 트랙킹방향 제어용 구동코일은 단선인 것을 특징으로 하는 광픽업 대물렌즈 구동장치.The optical pickup objective lens driving apparatus of claim 1, wherein the driving coil for controlling the tracking direction is disconnected. 조립지그 베이스(9)에 놓이는 수평부(61)와, 상기 수평부로부터 직각으로 연장된 한쌍의 수직부(62)와, 상기 한쌍의 수직부의 내면에 각각 접착제로 부착되는 자석(5)과, 조립지그 베이스(9)의 전방에 고정홀더(38)를 고정하기 위한 고정부(37)로 구성되는 요크베이스를 갖는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.A horizontal portion 61 placed on the assembly jig base 9, a pair of vertical portions 62 extending at right angles from the horizontal portion, magnets 5 attached to the inner surfaces of the pair of vertical portions with adhesive, respectively; An optical pickup objective lens driving apparatus having a yoke base composed of a fixing part 37 for fixing a fixing holder 38 in front of an assembly jig base 9. 제6항에 있어서, 상기 고정부(37)는 수평판과 수직판으로 구성되는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.7. The optical pickup objective lens driving apparatus of claim 6, wherein the fixing unit (37) comprises a horizontal plate and a vertical plate. 제7항에 있어서, 상기 상부판의 일단은 수직부(62)의 상부면과 연결되는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.8. The optical pickup objective driving device of claim 7, wherein one end of the upper plate is connected to an upper surface of the vertical portion (62). 제6항에 있어서, 요크베이스는 조립지그 베이스(9)에 볼트(10)에 의해 고정되는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.7. The optical pickup objective drive device according to claim 6, wherein the yoke base is fixed to the assembly jig base (9) by bolts (10). 제6항에 있어서, 요크베이스의 자석내로 대물렌즈홀더(2)가 장착되는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.7. The optical pickup objective drive device according to claim 6, wherein an objective lens holder (2) is mounted into a magnet of the yoke base. 제7항에 있어서, 상기 수직판의 외면에는 고정홀더(38)가 장착되는 것을 특징으로 하는 대물렌즈 구동장치.8. The objective lens driving device according to claim 7, wherein a fixing holder (38) is mounted on an outer surface of the vertical plate. 제11항에 있어서, 상기 고정홀터(38)의 양측면에는 상하로 홈이 형성되어 있는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.12. The optical pickup objective lens driving apparatus of claim 11, wherein grooves are formed on both side surfaces of the fixing holter 38, both up and down. 광학식 디스크드라이브의 광픽업장치에 있어서, 대물렌즈를 안착하기 위한 안착 개구부(20)가 형성된 중앙 본체(1a)와, 상기 중앙 본체로부터 연장되고 양돌출벽(22)을 일정한 간격을 두고 형성한 상부 및 하부 지지부(21a,22b)와, 상기 지지부(21)의 양돌출벽(22) 사이에 트랙킹방향 제어용 구동코일이 권선되는 2개의 트랙킹방향 제어용 구동코일부(4)과, 상기 중앙 본체(1a)둘레에 포커스방향 제어용 구동코일이 권선되는 포커스방향 제어용 구동코일부(3)와, 상기 지지부로부터 외부로 돌출되며 그 중앙에 길이방향으로 형성된 홈(15)이 형성된 돌부(14)로 구성된 대물렌즈홀더와, 조립지그 베이스(9)에 놓이는 수평부(61)와, 상기 수평부로부터 직각으로 연장된 한쌍의 수직부(62)와, 상기 한쌍의 수직부의 내면에 각각 접착제로 부착되는 자석(5)과, 조립지그 베이스(9)의 전방에 그 양측면에 상하로 홈이 형성된 고정홀더(38)를 고정하기 위한 고정부(37)로 구성되는 요크베이스를 갖는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.In the optical pickup device of an optical disc drive, an upper portion formed with a center body 1a having a seating opening 20 for mounting an objective lens, and a positive protrusion wall 22 formed at regular intervals from the center body. And two tracking direction control drive coils 4 in which the tracking direction control drive coils are wound between the lower support parts 21a and 22b, and both projection walls 22 of the support part 21, and the central body 1a. An objective lens including a focus direction control drive coil part 3 around which a focus direction control drive coil is wound, and a protrusion 14 protruding outward from the support part and having a groove 15 formed in a longitudinal direction at the center thereof; A holder, a horizontal portion 61 placed on the assembly jig base 9, a pair of vertical portions 62 extending at right angles from the horizontal portion, and magnets 5 respectively attached to the inner surfaces of the pair of vertical portions with adhesive; Jig bay The optical pickup objective lens driving device, characterized in that on its opposite side surfaces in front of the (9) having a yoke base consisting of a fixed part (37) for fixing the fixing holder 38, grooves are formed up and down. 제13항에 있어서, 상기 대물렌즈홀더의 홈과 고정홀더의 홈은 슬롯형인 것을 특징으로 하는 광픽업 대물렌즈 구동장치.The optical pickup objective lens driving apparatus of claim 13, wherein the groove of the objective lens holder and the groove of the fixed holder are slot-shaped. 제13항 또는 제14항에 있어서, 상기 대물렌즈홀더의 홈과 고정홀더의 홈에는 서스펜션 와이어가 삽입되는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.The optical pickup objective lens driving apparatus of claim 13 or 14, wherein a suspension wire is inserted into the groove of the objective lens holder and the groove of the fixed holder. 제15항에 있어서, 상부 서스펜션 와이어의 단부에는 트랙킹방향 제어용 구동 코일이 접속되는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.16. The optical pickup objective lens drive device according to claim 15, wherein a driving coil for tracking direction control is connected to an end portion of the upper suspension wire. 조립지그 베이스(9)의 홈으로부터 삽입되어 돌출된 다각형 축(11)을 중심으로 요크 베이스(6)를 조립지그 베이스(9)상에 볼트(10)에 의해 고정시키는 단계와, 자석(5)을 접착제로서 요크베이스의 수직부의 내면에 부착하는 단계와, 대물렌즈홀더(2)를 그 안착 개구부 중점과 축(11)의 중점을 일치시켜 축으로 삽입하여 스크류(12)로서 고정시키는 단계와, 고정홀더(28)를 요크베이스(6)의 고정부(37)의 외면에 스크류(13)로서 고정시키는 단계와, 고정홀더(38)의 양측면의 상부 및 하부 홈(16a,16b)과 대물렌즈홀더의 상부 및 하부 홈(15a,15b)에 서스펜션 와이어(7a,7b)를 서로 평행되게 끼워서 접착과 납땜에 의해 고정시키는 단계로 구성되는 것을 특징으로 하는 광픽업 대물렌즈 구동장치의 제조방법.Fixing the yoke base 6 on the assembly jig base 9 by bolts 10 about the polygonal axis 11 inserted and protruding from the groove of the assembly jig base 9, and the magnet 5; Attaching to the inner surface of the vertical portion of the yoke base as an adhesive, inserting the objective lens holder 2 into the shaft by matching the center of the seating opening center with the center of the shaft 11 and fixing it as a screw 12, Fixing the fixing holder 28 to the outer surface of the fixing portion 37 of the yoke base 6 as a screw 13, the upper and lower grooves 16a and 16b and the objective lens on both sides of the fixing holder 38; And inserting the suspension wires (7a, 7b) in parallel to each other in the upper and lower grooves (15a, 15b) of the holder to fix them by gluing and soldering. 제17항에 있어서, 상부 서스펜션 와이어의 단부에 트랙킹방향 제어용 구동코일을 접속시키고, 하부 서스펜션 와이어의 단부에 포커스방향 제어용 구동코일을 접속시키는 단계를 더 포함하는 것을 특징으로 하는 광픽업 대물렌즈 구동장치.18. The optical pickup objective lens driving apparatus of claim 17, further comprising connecting a driving direction tracking control coil to an end of the upper suspension wire and connecting a driving direction focusing control coil to an end of the lower suspension wire. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950014801A 1995-06-05 1995-06-05 Optical pick-up object lens driving device and manufacturing method of the device KR0163852B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950014801A KR0163852B1 (en) 1995-06-05 1995-06-05 Optical pick-up object lens driving device and manufacturing method of the device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950014801A KR0163852B1 (en) 1995-06-05 1995-06-05 Optical pick-up object lens driving device and manufacturing method of the device

Publications (2)

Publication Number Publication Date
KR970002924A true KR970002924A (en) 1997-01-28
KR0163852B1 KR0163852B1 (en) 1999-01-15

Family

ID=19416516

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950014801A KR0163852B1 (en) 1995-06-05 1995-06-05 Optical pick-up object lens driving device and manufacturing method of the device

Country Status (1)

Country Link
KR (1) KR0163852B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010064031A (en) * 1999-12-24 2001-07-09 윤종용 Optical pickup assembly
KR100436719B1 (en) * 2001-07-24 2004-06-22 삼성전기주식회사 Optical pick-up

Also Published As

Publication number Publication date
KR0163852B1 (en) 1999-01-15

Similar Documents

Publication Publication Date Title
US7028318B2 (en) Optical head with lens holder supported by suspension wires at central and end portions
JPH0349137B2 (en)
KR970002924A (en) Optical pickup objective lens driving device and manufacturing method thereof
KR960014988A (en) Objective lens driver
KR19980086189A (en) Optical Pickup Actuator
JPS62287440A (en) Objective lens driving device
JP3444766B2 (en) Objective lens drive
KR100211922B1 (en) Object lens driving device of optical pickup
KR100501143B1 (en) Apparatus for Supporting Objective Lens
JP2620663B2 (en) Objective lens drive
JP3851229B2 (en) Actuator suspension installation device
JPH0352128A (en) Objective lens driver
JPH09306003A (en) Object lens actuator
JPS5885941A (en) Actuator
KR200347981Y1 (en) Yoke Structure of Optical Pickup Actuator
KR0141632B1 (en) Wire assembly zig of optical pick up actuator
JP3831603B2 (en) Optical head device
KR100509033B1 (en) The frame and yoke structure for pick-up
JP3102280B2 (en) Objective lens actuator
JPH0877585A (en) Objective lens driving device
KR940006541Y1 (en) Lens mount
JPH05314513A (en) Device for supporting objective lens
JP2515977Y2 (en) Optical pickup device used for optical disc player
KR200159905Y1 (en) Magnet fixing structure of optical pickup actuator
JPH0887766A (en) Objective lens actuator and its production

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20020820

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee