JPS6381323U

JPS6381323U -

Info

Publication number: JPS6381323U
Application number: JP17631086U
Authority: JP
Priority date: 1986-11-17
Filing date: 1986-11-17
Publication date: 1988-05-28

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例による光ピツクア
ツプの光検知器基板の取付装置を示し、第１図ａ
はその断面図、第１図ｂは平面図である。第２図
ａ，ｂは各々この考案の他の実施例を示しており
、それぞれ基板取付け前の状態を示す平面図であ
る。第３図は従来の光検知器基板の取付装置を示
しており、第３図ａは基板の取付けがネジ止めの
場合を示す断面図、第３図ｂ，ｃは基板の取付け
が接着剤による場合を示すそれぞれ断面図、基板
取付け前の状態を示す平面図である。１…光検知器、２…基板、４…ピツクアツプベ
ース、９…補助板、１０…ネジ、１１…接着部。
なお、図中、同一符号は同一、又は相当部分を示
す。 FIG. 1 shows a mounting device for a photodetector board of an optical pickup according to an embodiment of this invention, and FIG.
is its sectional view, and FIG. 1b is its plan view. FIGS. 2a and 2b show other embodiments of this invention, and are respectively plan views showing the state before the board is attached. Fig. 3 shows a conventional photodetector board mounting device, Fig. 3a is a cross-sectional view showing the case where the board is mounted with screws, and Fig. 3b and c are a cross-sectional view showing the case where the board is mounted with adhesive. FIG. 2 is a cross-sectional view showing the case, and a plan view showing the state before the board is attached. DESCRIPTION OF SYMBOLS 1... Photodetector, 2... Board, 4... Pickup base, 9... Auxiliary board, 10... Screw, 11... Adhesive part.
In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A photodetector for fixing a substrate holding a photodetector of an optical pick-up to a pick-up base, characterized in that the substrate is adhered to an auxiliary plate screwed to the pick-up base and having a through hole in the center. Board mounting device.