JPS6387619A - Photodetector substrate for optical pickup - Google Patents
Photodetector substrate for optical pickupInfo
- Publication number
- JPS6387619A JPS6387619A JP23385686A JP23385686A JPS6387619A JP S6387619 A JPS6387619 A JP S6387619A JP 23385686 A JP23385686 A JP 23385686A JP 23385686 A JP23385686 A JP 23385686A JP S6387619 A JPS6387619 A JP S6387619A
- Authority
- JP
- Japan
- Prior art keywords
- receiving element
- light
- adjustment
- light receiving
- photodetector
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 36
- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 230000037431 insertion Effects 0.000 description 11
- 238000003780 insertion Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/34—Relative movement obtained by use of deformable elements, e.g. piezoelectric, magnetostrictive, elastic or thermally-dilatable elements
- B23Q1/36—Springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明はティスフ状記録媒体に光学的に記録された情報
を光学的に読取る光学式ピックアップ痺竜の受光素子基
板に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a light-receiving element substrate for an optical pickup that optically reads information optically recorded on a tape-shaped recording medium.
〈発明の概要〉
本発明は受光素子の固着された光学式ピックアップの受
光素子基板において、上記受光素子基板の板面に第１及
び第２の調整溝を設け、これら調整溝を介して、上記受
光素子基板を塑性変形させることにより、上記受光素子
を上下方向及び左右方向に位置調整できるようにしたも
のであり、正確な位置調整の可能な光学式ピックアップ
の受光素子基板を提供するものである。<Summary of the Invention> The present invention provides a light-receiving element substrate of an optical pickup to which a light-receiving element is fixed, in which first and second adjustment grooves are provided on the plate surface of the light-receiving element substrate, and the above-mentioned By plastically deforming the light-receiving element substrate, the position of the light-receiving element can be adjusted vertically and horizontally, thereby providing a light-receiving element substrate for an optical pickup that allows accurate position adjustment. .
〈従来の技術〉
一般に、光学式ピックアップの受光素子基板に固着され
た受光素子の位置調整には該受光素子に入射するレーザ
ビームの光軸に対してＸ方向及びｙ方向の調整が必要で
ある。<Prior art> Generally, adjusting the position of a light receiving element fixed to a light receiving element substrate of an optical pickup requires adjustment in the X direction and the y direction with respect to the optical axis of the laser beam incident on the light receiving element. .
従来、斯る受光素子の位置調整を行うために、受光素子
を固着した受光素子基板を位置調整用治具に固定し、光
学式ピックアップ装置の上記受光素子基板を固定する面
に、該受光素子基板を押し当て、上記位置調整用治具を
以って上記受光素子基板をＸ方向及びＸ方向に移動させ
ることにより上記受光素子を最適な位置まで移動させた
後、斯る最適位置においてネジ数本により光学式ピック
アップの受光素子基板固定面に上記受光素子基板を固定
することにより、上記受光素子の位置調整を行なってい
た。Conventionally, in order to adjust the position of the light-receiving element, a light-receiving element substrate to which the light-receiving element is fixed is fixed to a position adjustment jig, and the light-receiving element is placed on the surface of the optical pickup device on which the light-receiving element substrate is fixed. After moving the light receiving element to the optimum position by pressing the board and moving the light receiving element board in the X and X directions using the position adjustment jig, set the number of screws at the optimum position. The position of the light receiving element is adjusted by fixing the light receiving element substrate to the light receiving element substrate fixing surface of the optical pickup.
〈発明が解決しようとする問題点〉
ところで、上述のような従来の技術によれば、受光素子
基板を受光素子調整治具に取り付けたとき、ガタが生じ
、斯るガタのため微調整をすることができなかった。<Problems to be Solved by the Invention> By the way, according to the conventional technology as described above, when the light receiving element substrate is attached to the light receiving element adjustment jig, play occurs, and due to the play, fine adjustment is required. I couldn't.
また、受光素子基板を光学式ピンクアップ装置の受光素
子基板取付面に押し当てて上記基板全体をＸ方向、Ｘ方
向に移動しなければならないため、上記受光素子基板取
付面と受光素子基板の周縁部との間の樟擦により上記取
付面表面より切りくず等が生じるおそれがあり、該切り
くず等がレンズ等の光学部品に付着したり、受光素子基
板のパターン面を傷付けてしまうおそれがあった。In addition, since it is necessary to press the light receiving element board against the light receiving element board mounting surface of the optical pink-up device and moving the entire board in the X direction, the periphery of the light receiving element board mounting surface and the light receiving element board must be moved. There is a risk that chips, etc. may be generated from the mounting surface surface due to the wood scraping between the parts, and there is a risk that the chips, etc. may adhere to optical components such as lenses or damage the patterned surface of the photodetector board. Ta.
さらに、位置調整後は上記受光素子基板をネジ止めする
が、このとき、ネジの締め付けにより受光素子基板が動
いてしまい、調整位置がずれてし１うとの問題点を持っ
ていた。Further, after the position adjustment, the light receiving element board is screwed, but at this time, the light receiving element board moves due to the tightening of the screws, resulting in a problem in that the adjusted position is shifted.
く問題点を解決するだめの手段〉
本発明は、−Ｆ記問題点を解決するために、板面上に受
光素子を固着されると共に光学式ピックアップの受光素
子基板に取り付けられる光学式ピンクアップの受光素子
基板において、上記受光素子基板の板面に上記受光素子
の上半部及び下半部を取り囲む第１の調整溝を貫設する
と共に該第１の調整溝の外側に上記受光素子の左半部及
び右半部を取り囲む第２の調整溝を貫設し、上記受光素
子基板を上記第１及び第２の調整溝を介して塑性変形さ
せることができるようにしたものである。Means for Solving the Problems> In order to solve the problems mentioned in -F, the present invention provides an optical pink-up device in which a light receiving element is fixed on a plate surface and is attached to a light receiving element substrate of an optical pickup. In the light-receiving element substrate, a first adjustment groove surrounding the upper and lower halves of the light-receiving element is provided in the plate surface of the light-receiving element substrate, and a groove of the light-receiving element is formed outside the first adjustment groove. Second adjustment grooves surrounding the left and right halves are provided so that the light receiving element substrate can be plastically deformed via the first and second adjustment grooves.
く作 用〉
従って、受光素子基板を光学式ビッタアップの受光素子
基板取付面に取付けた後、上記受光素子基板を第１及び
第２の調整溝を介して塑性変形させることにより、受光
素子を上下方向及び左右方向に位置調整することができ
る。Therefore, after attaching the light receiving element board to the light receiving element board mounting surface of the optical bit-up, the light receiving element board is plastically deformed through the first and second adjustment grooves, thereby adjusting the light receiving element. The position can be adjusted vertically and horizontally.
〈実施例〉
以下、添付図面に基ついて本発明の一実施例を詳細に説
明する。<Embodiment> Hereinafter, an embodiment of the present invention will be described in detail based on the accompanying drawings.
第１図は本発明に係る光学式ピックアップの受光素子基
板の一実施例の正面図、第２図は同上受光素子基板を光
学式ピックアップに取り付けた状態の斜視図、第３図は
同上受光素子基板に調整用カムを挿入して調整する状態
を示す正面図である。Fig. 1 is a front view of an embodiment of the light receiving element board of the optical pickup according to the present invention, Fig. 2 is a perspective view of the above light receiving element board attached to the optical pickup, and Fig. 3 is the same as the above light receiving element. FIG. 3 is a front view showing a state in which the adjustment cam is inserted into the board and adjusted.
これらの図において、１はアルミニウム等の塑性変形が
容易な材質により形成された正方形状の受光素子基板で
るり、一方の対角線上の両端部には光学式ピックアップ
本体８に取り付けるための一対のネジ穴２．２が穿設さ
れている。In these figures, 1 is a square photodetector board made of a material that is easily plastically deformed, such as aluminum, and a pair of screws at both ends on one diagonal line are for attaching to the optical pickup body 8. A hole 2.2 is drilled.
３ａ、８ｂけ各々略々「コ」の字状の第１の調整溝であ
り、ｙ軸に沿う板面上の連結部分４，４より左右方向（
ｘｅ力方向びＸ■力方向に後述する受光素子取付部７の
左半部、右半部を取り囲むように対称に貫設されている
。3a and 8b are first adjustment grooves each having a substantially U-shape, and are located in the left-right direction (
They extend symmetrically so as to surround the left and right halves of the light-receiving element mounting portion 7, which will be described later, in the xe force direction and the x2 force direction.
これら両調整溝３ａ及び３ｂのＸ軸と交わる部分には、
各々側端部方向（ｘｅ力方向びＸ［有］方向）に円孤状
の切欠きが形成されており、後述する調整用カムを挿入
する挿入部３ａ’及び３ｂ’と成っている。In the portions of these adjustment grooves 3a and 3b that intersect with the X axis,
A circular arc-shaped notch is formed in each side end direction (xe force direction and
５ａ及び５ｂは各々略々「コ」の字状の第２の調整溝で
あり、上記第１の調整溝の内側でＸ軸に沿う板面上の連
結部分６，６より上下方向（ｙ■力方向びｙθ力方向Ｋ
対称に上記受光素子取付部７の上半部及び下半部を取り
囲むように貫設されている。5a and 5b are second adjusting grooves each having a substantially U-shape, and are located inside the first adjusting groove and extending in the vertical direction (y Force direction yθ Force direction K
They are symmetrically provided so as to surround the upper and lower halves of the light-receiving element mounting portion 7.
これら両調整溝５ａ及び５ｂのｙ軸と交わる部分には、
各々内側方向に円孤状の切欠きが形成されており、上記
調整用カム８を挿入する挿入部５ａ′及び５ｂ’と成っ
ている。In the portions of both adjustment grooves 5a and 5b that intersect with the y-axis,
A circular arc-shaped notch is formed inwardly in each of the notches, and these serve as insertion portions 5a' and 5b' into which the adjustment cam 8 is inserted.
そして、上記第２の調整溝５ａ及び５ｂに囲まれた略々
正方形状の上記受光素子取付部７の裏面側に受光素子（
図示せず）が取り付けられるように成っている。Then, a light receiving element (
(not shown) can be attached.
８は略々円柱形状の上記調整用カムであり、該調整用カ
ム８の直径は、上記第１及び第２の調整溝３ａ、、３ｂ
及び５ａ、５ｂに形成された挿入部３ａ’、 ３ｂ’及
び５ ａ’ ＋ ５ ｂ ’における円孤状の切欠きの
直径と略々同一と成っている。Reference numeral 8 denotes the adjusting cam having a substantially cylindrical shape, and the diameter of the adjusting cam 8 is equal to that of the first and second adjusting grooves 3a, 3b.
The diameter is approximately the same as the diameter of the arc-shaped notch in the insertion portions 3a', 3b' and 5a'+5b' formed in the insertion portions 3a', 5a, and 5b.
さらに、上記調整用カム８の一端の外側面の一部より径
方向に突出部８ａが突設されると共に、他端には大径部
８ｂが形成されており、上記一端を上記挿入部３ａ′、
３ｂ′又は５ａ′、５ｂ′に挿入し得るように成ってい
る。Further, a protruding portion 8a is provided to protrude radially from a part of the outer surface of one end of the adjustment cam 8, and a large diameter portion 8b is formed at the other end, and the one end is connected to the insertion portion 3a. ′,
3b' or 5a', 5b'.
９は、上記受光素子基板が取り付けられる受光素子基板
取付面９ａ’（ｉ−有する光学式ピックアップ本体であ
り、上記取付面９ａには上記第１の調整溝より少し大き
い孔（図示せず）が穿設されており、該孔内の光学部品
より該取付面に取付けられた受光素子に垂直にレーザ光
が入射するように成っている。Reference numeral 9 denotes an optical pickup body having a light-receiving element board mounting surface 9a' (i-) to which the light-receiving element board is attached, and the mounting surface 9a has a hole (not shown) slightly larger than the first adjustment groove. A hole is formed in the hole so that laser light is perpendicularly incident on the light receiving element attached to the mounting surface from the optical component inside the hole.
本発明は上述のように構成されるものであるから、１ず
、受光素子基板１の受光素子取付部７の裏面側に受光素
子を固着し、その後、該受光素子基板１を光学式ピック
アンプ本体９の受光素子基板取付部９ａにネジ９’、
９’を以ってネジ止めする。。Since the present invention is configured as described above, first, a light receiving element is fixed to the back side of the light receiving element mounting portion 7 of the light receiving element board 1, and then the light receiving element board 1 is attached to an optical pick amplifier. Screws 9',
Tighten the screws using 9'. .
そして、上記調整用カム８を第３図に示す様に各挿入部
３ａ’ ＋ ３ｂ’又は５ａ′、５ｂ′に適宜挿入して
回転させることにより、上記受光素子の光軸に対するＸ
方向、Ｘ方向の位置を調整すれば良い。Then, as shown in FIG. 3, by appropriately inserting and rotating the adjusting cam 8 into each insertion portion 3a' + 3b' or 5a', 5b', the X with respect to the optical axis of the light receiving element is adjusted.
All you have to do is adjust the direction and the position in the X direction.
即ち、上記調整用カム８の一端を上記受光素子基板１の
第１の調整溝３ａにおける挿入部３ａ′に挿入して矢印
Ａ或はＢ方向に回転させた場合、上記調整用カム８は上
記挿入部３３′にガイドされて回転し、上記調整用カム
８の突出部８ａが該第１の調整溝３ａの内側部３ａ、或
は３ａ２（第３図参照）に当たり、その結果、板面上の
連結部分４，４が塑性変形を起こし、上記受光素子取付
部７をＸ■力方向動かすことができる。That is, when one end of the adjustment cam 8 is inserted into the insertion portion 3a' of the first adjustment groove 3a of the light receiving element substrate 1 and rotated in the direction of arrow A or B, the adjustment cam 8 It rotates while being guided by the insertion part 33', and the protruding part 8a of the adjusting cam 8 hits the inner part 3a or 3a2 (see FIG. 3) of the first adjusting groove 3a, and as a result, the plate surface is The connecting portions 4, 4 undergo plastic deformation, allowing the light-receiving element mounting portion 7 to be moved in the X-force direction.
同様に、上記調整用カム８の一端を上記第１の調整溝３
ｂにおける挿入部３ｂ’に挿入して矢印Ｃ或はＤ方向に
回転させた場合、上記突出部８ａが該第１の調整溝３ｂ
の内側部３ｂ１或は３ｂ２に当たり、その結果、板面上
の連結部分４，４が塑性変形を起こし、上記受光素子基
板取付部７をＸ○力方向動ずことができる。Similarly, one end of the adjustment cam 8 is connected to the first adjustment groove 3.
When the protrusion 8a is inserted into the insertion portion 3b' in FIG.
As a result, the connecting portions 4, 4 on the plate surfaces undergo plastic deformation, and the light-receiving element substrate mounting portion 7 can be moved in the direction of the X○ force.
また、上記調整用カム８の一端を上記第２の調整溝５ａ
における挿入部５ａ’に挿入して矢印Ｅ或はＦ方向に回
転させた場合、上記調整用カム８は上記挿入部５ａ′に
ガイドされて回転し、上記調整用カム８の突出部８ａが
該第２の調整溝５ａの内側部Ｓａ、或は５ａ２に当たり
、その結果、板面上の連結部分６，６が塑性変形を起こ
し、上記受光素子取付部７をｙ○力方向動かすことがで
きる。Further, one end of the adjustment cam 8 is connected to the second adjustment groove 5a.
When the adjusting cam 8 is inserted into the insertion portion 5a' and rotated in the direction of arrow E or F, the adjustment cam 8 is guided by the insertion portion 5a' and rotates, and the protrusion 8a of the adjustment cam 8 is rotated in the direction of the arrow E or F. It hits the inner side Sa or 5a2 of the second adjustment groove 5a, and as a result, the connecting portions 6, 6 on the plate surface undergo plastic deformation, and the light receiving element mounting portion 7 can be moved in the y○ force direction.
同様に、上記調整用カム８の一端を上記第２の調整溝５
ｂにおける挿入部５ｂ’に挿入して矢印Ｇ或はＨ方向に
回転させた場合、上記調整用カム８の突出部８ａが第２
の調整溝５ｂの内側部５ｂ、或は５ｂ２に当たり、その
結果、板面上の連結部分６゜６が塑性変形を起こし、上
記受光素子取付部７を■方向に動かすことができる。Similarly, one end of the adjustment cam 8 is inserted into the second adjustment groove 5.
When inserted into the insertion portion 5b' in b and rotated in the direction of arrow G or H, the protrusion 8a of the adjustment cam 8
As a result, the connecting portion 6.degree.6 on the plate surface undergoes plastic deformation, and the light receiving element mounting portion 7 can be moved in the direction (2).
上述のように本発明によれば、受光素子を固着された受
光素子基板１を受光素子基板取付面８ａに取付けた後、
調整用カム７を各調整溝３ａ′。As described above, according to the present invention, after the light-receiving element substrate 1 to which the light-receiving element is fixed is attached to the light-receiving element substrate mounting surface 8a,
The adjustment cam 7 is inserted into each adjustment groove 3a'.
３ｂ’、 ５ａ’、 ５ｂ’に挿入して回転させるだけ
て、受光素子の光軸に対するＸ方向及びＸ方向の位置調
整をすることができるものであるから、従来必要であっ
た調整用治具が不要となり、調整作業が簡単となり、作
業効率が向上すると共に従来問題となっていた治具への
固定時のガタ付きによる位置ずれ、或は、治具での調整
後、取付面への固定時の位置ずれ等が皆無となる。3b', 5a', and 5b' and rotate it to adjust the position of the light receiving element in the X direction and the X direction with respect to the optical axis, thus eliminating the need for an adjustment jig that was previously necessary. This eliminates the need for adjustment work, which simplifies the adjustment work, improves work efficiency, and eliminates the conventional problems of positional deviation due to looseness when fixing to the jig, or fixing to the mounting surface after adjustment with the jig. There is no time position shift, etc.
また、調整時は第１の調整溝の内側しか動かないため、
上記受光素子基板の周縁部と上記受光素子基板取付面８
ａとの間の違擦もなく、切りくず等が発生することもな
い。Also, during adjustment, only the inside of the first adjustment groove moves, so
The periphery of the light-receiving element board and the mounting surface 8 of the light-receiving element board
There is no friction between the material and the material a, and no chips or the like are generated.
さらに、Ｘ方向を調整する場合、調整用カムを回転させ
て連結部分４，４を塑性変形させるわけであるが、Ｘ軸
線上に調整用カム８とＸ方向調整時に塑性変形を起こす
連結部分６，６があるため、Ｘ方向の調整時、該連結部
分６，６は塑性変形を起こしにくり、従って受光素子基
板取付面７はＸ方向の調整を行うときＸ方向に動くこと
はない。Furthermore, when adjusting the X direction, the adjustment cam is rotated to plastically deform the connecting parts 4, 4, but the adjusting cam 8 and the connecting part 6, which undergo plastic deformation during adjustment in the X direction, are placed on the X axis. , 6, the connecting portions 6, 6 are unlikely to undergo plastic deformation during adjustment in the X direction, and therefore the light receiving element substrate mounting surface 7 does not move in the X direction when adjusting in the X direction.
同様に、Ｘ方向を調整する場合においても、受光素子基
板取付面７はＸ方向に動くことはない。Similarly, even when adjusting the X direction, the light receiving element substrate mounting surface 7 does not move in the X direction.
従って、微調整が可能であり、極めて正確な調整をする
ことができる。Therefore, fine adjustment is possible and extremely accurate adjustment can be made.
〈発明の効果〉
以上のように、本発明は受光素子基板の板面に第１及び
第２の調整溝を設け、該受光素子基板を光学式ピックア
ップの受光素子基板取付面に取付けた後、上記第１．第
２の調整溝を介して受光素子基板を塑性変形させること
によシＸ方向及びｙ方向の位置調整ができるようにした
ものであるから、調整用治具が不要となり、従来問題と
なっていた上記治具への固定時のガタによる位置ずれ、
或は上記治具での調整後の取付面への固定時位置ずれ等
が皆無となり、極めて正確な位置調整をすることができ
るとの効果が得られるものである。<Effects of the Invention> As described above, the present invention provides first and second adjustment grooves on the plate surface of a light receiving element substrate, and after attaching the light receiving element substrate to the light receiving element substrate mounting surface of an optical pickup, Above 1st. Since the position can be adjusted in the X and Y directions by plastically deforming the light-receiving element substrate through the second adjustment groove, there is no need for an adjustment jig, which has been a problem in the past. Misalignment due to looseness when fixing to the above jig,
Alternatively, there is no positional shift when fixing to the mounting surface after adjustment with the jig, and the effect is that extremely accurate positional adjustment can be achieved.
第１図は本発明に係る光学式ピックアップの受光素子基
板の一実施例を示す正面図、第２図は同上受光素子基板
を光学式ピックアップに取付けた状態の斜視図、第３図
は同上受光素子基板に調整用カムを挿入して調整する状
態を示す正面図である。
１・・・受光素子基板、８ａ、３ｂ・・・第１の調整溝
、５ａ＋５ｂ・・・第２の調整溝、８・・調整用カム、
９・・。
光学式ピックアップ、９ａ・・・受光素子基板取付面。Fig. 1 is a front view showing an embodiment of the light receiving element board of the optical pickup according to the present invention, Fig. 2 is a perspective view of the above light receiving element board attached to the optical pickup, and Fig. 3 is the same light receiving element board as above. FIG. 3 is a front view showing a state in which an adjustment cam is inserted into the element substrate and adjusted. DESCRIPTION OF SYMBOLS 1... Light receiving element board, 8a, 3b... 1st adjustment groove, 5a+5b... 2nd adjustment groove, 8... Adjustment cam,
9... Optical pickup, 9a... Light receiving element board mounting surface.
Claims (1)
アップの受光素子基板に取付けられる光学式ピックアッ
プの受光素子基板において、上記受光素子基板の板面に
上記受光素子の左半部及び右半部を取り囲む第１の調整
溝を貫設すると共に該第１の調整溝の内側に上記受光素
子の上半部及び下半部を取り囲む第２の調整溝を貫設し
、 上記受光素子基板を上記第１及び第２の調整溝を介して
塑性変形させることにより、上記受光素子の位置調整が
できるようにした事を特徴とする光学式ピックアップの
受光素子基板。[Scope of Claims] 1. In a light-receiving element board of an optical pickup, which has a light-receiving element fixed on the plate surface and is attached to the light-receiving element substrate of the optical pickup, the light-receiving element is fixed on the plate surface of the light-receiving element substrate. A first adjustment groove surrounding the left half and the right half is provided, and a second adjustment groove surrounding the upper and lower halves of the light receiving element is provided inside the first adjustment groove. A light-receiving element substrate for an optical pickup, characterized in that the position of the light-receiving element can be adjusted by plastically deforming the light-receiving element substrate through the first and second adjustment grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23385686A JPS6387619A (en) | 1986-09-30 | 1986-09-30 | Photodetector substrate for optical pickup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23385686A JPS6387619A (en) | 1986-09-30 | 1986-09-30 | Photodetector substrate for optical pickup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6387619A true JPS6387619A (en) | 1988-04-18 |
Family
ID=16961640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23385686A Pending JPS6387619A (en) | 1986-09-30 | 1986-09-30 | Photodetector substrate for optical pickup |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6387619A (en) |
-
1986
- 1986-09-30 JP JP23385686A patent/JPS6387619A/en active Pending
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