JPS6088569U - Photodetector with infrared transmission filter - Google Patents

Photodetector with infrared transmission filter

Info

Publication number
JPS6088569U
JPS6088569U JP18079283U JP18079283U JPS6088569U JP S6088569 U JPS6088569 U JP S6088569U JP 18079283 U JP18079283 U JP 18079283U JP 18079283 U JP18079283 U JP 18079283U JP S6088569 U JPS6088569 U JP S6088569U
Authority
JP
Japan
Prior art keywords
light
transmission filter
infrared transmission
photodetector
infrared
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
Application number
JP18079283U
Other languages
Japanese (ja)
Inventor
井山　謙一
Original Assignee
同和鉱業株式会社
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 同和鉱業株式会社 filed Critical 同和鉱業株式会社
Priority to JP18079283U priority Critical patent/JPS6088569U/en
Publication of JPS6088569U publication Critical patent/JPS6088569U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は光学的検出装置の要部回路構成図、第２図はこ
の考案の第１実施例を示す断面図、第３図は第１図の赤
外透過フィルタの斜視図、第４図はガリウム砒素の波長
に対する吸収係数を示す図、第５図はこの考案の第２実
施例を示す断面図、第６図はこの考案の第３実施例を示
す断面図である。 １１．２１，３１・・・フォトトランジスタ、１２．２
２・・・受光面、１３・・・遮光キャップ、１４゜２３
．３２・・・赤外透過フィルタ、２４．３３・・・遮光
膜。Fig. 1 is a circuit diagram of the main part of the optical detection device, Fig. 2 is a sectional view showing the first embodiment of this invention, Fig. 3 is a perspective view of the infrared transmission filter of Fig. 1, and Fig. 4. 5 is a sectional view showing a second embodiment of this invention, and FIG. 6 is a sectional view showing a third embodiment of this invention. 11.21,31...phototransistor, 12.2
2... Light-receiving surface, 13... Light-shielding cap, 14°23
．． 32... Infrared transmission filter, 24.33... Light shielding film.

Claims (1)

【実用新案登録請求の範囲】 赤外発光素子から出力される赤外光を受光する受光素子
において、 前記受光素子にガリウム砒素単結晶によって構成された
赤外光を透過して外乱光を遮蔽する赤外透過フィルタを
設けたことを特徴とする赤外透過フィルタ付受光素子。[Claims for Utility Model Registration] In a light-receiving element that receives infrared light output from an infrared light-emitting element, the light-receiving element is made of a gallium arsenide single crystal and transmits the infrared light and blocks disturbance light. A light-receiving element with an infrared transmission filter, characterized in that it is provided with an infrared transmission filter.
JP18079283U 1983-11-22 1983-11-22 Photodetector with infrared transmission filter Pending JPS6088569U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18079283U JPS6088569U (en) 1983-11-22 1983-11-22 Photodetector with infrared transmission filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18079283U JPS6088569U (en) 1983-11-22 1983-11-22 Photodetector with infrared transmission filter

Publications (1)

Publication Number Publication Date
JPS6088569U true JPS6088569U (en) 1985-06-18

Family

ID=30391916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18079283U Pending JPS6088569U (en) 1983-11-22 1983-11-22 Photodetector with infrared transmission filter

Country Status (1)

Country Link
JP (1) JPS6088569U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5864071A (en) * 1981-10-13 1983-04-16 Nec Corp Semiconductor photodetector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5864071A (en) * 1981-10-13 1983-04-16 Nec Corp Semiconductor photodetector

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