JPS60143332U

JPS60143332U - infrared sensor

Info

Publication number: JPS60143332U
Application number: JP3061584U
Authority: JP
Inventors: 浜田　章; 村田　隆暎; 大平　敬一
Original assignee: 呉羽化学工業株式会社
Priority date: 1984-03-05
Filing date: 1984-03-05
Publication date: 1985-09-24

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

[Brief explanation of the drawing]

第１図は本考案者らが先に提案した赤外線センサの正断
面図、第２図は焦電素子の積層構造を示す厚さ方向断面
図、第３図は本考案の実施例にかかる赤外線センサの正
断面図、第４図〜第６図は、それぞれ第３図の赤外線セ
ンサに用いられた下側導電体リング、上側導電体リング
および焦電素子の拡大図である。、１・・・・・・金属ケース（ｌａ・・・赤外線透過窓
、１ｂ・・・下端かしめ部）、２，１２・・・・・・赤
外線透過窓材、３，１３・・・・・・上側導電体リング
、１３ａ・・・・・・中央開口、１３ｂ・・・・・・窓
材配設用凹陥部、１３ｃ・・・・・・周縁突出部、４，
１４・・・・・・焦電素子、４ａ。１４ａ・・・・・・焦電体膜、４ｂ、１４ｂ・・・・・
・表面電極、４ｃ、１４ｃ・・・・・・裏面電極、５，
１５・・・・・・下側導電体リング、１５ａ・・・・・
・内側に突出するその舌片、６・・・・・・ＦＥＴ、６
ａ、１６ａ・・・・・・ゲートリード線、７・・・・・
・絶縁部材、８・・・・・・リード線。Figure 1 is a front cross-sectional view of an infrared sensor previously proposed by the present inventors, Figure 2 is a cross-sectional view in the thickness direction showing the laminated structure of a pyroelectric element, and Figure 3 is an infrared sensor according to an embodiment of the present invention. The front sectional view of the sensor, FIGS. 4 to 6, are enlarged views of the lower conductor ring, upper conductor ring, and pyroelectric element used in the infrared sensor of FIG. 3, respectively. , 1...Metal case (la...Infrared transmitting window, 1b...Lower end caulking part), 2,12...Infrared transmitting window material, 3,13...・Upper conductor ring, 13a...Central opening, 13b...Recessed part for arranging window material, 13c...Peripheral protrusion, 4,
14...Pyroelectric element, 4a. 14a...Pyroelectric film, 4b, 14b...
・Surface electrode, 4c, 14c... Back electrode, 5,
15...Lower conductor ring, 15a...
・The tongue piece protruding inward, 6...FET, 6
a, 16a...Gate lead wire, 7...
- Insulating member, 8...Lead wire.

Claims

[Claims for Utility Model Registration] 1. A metal case with an infrared transmitting window at the top 4.
An infrared transmitting window material, an upper conductive ring, a pyroelectric film, and a lower conductive ring are stacked in this order near the infrared transmitting window, and an amplification element is provided below the lower conductive ring. The infrared sensor is characterized in that the lower conductor ring has a tongue protruding inwardly thereof, and is electrically connected to an amplification element via the tongue. 2. The infrared sensor according to claim 1, wherein the pyroelectric film is integrated with the upper conductive ring in advance by being adhesively integrated therewith.