JPS60125543U

JPS60125543U - infrared sensor

Info

Publication number: JPS60125543U
Application number: JP1316484U
Authority: JP
Inventors: 浜田　章; 大平　敬一; 村田　隆暎
Original assignee: 呉羽化学工業株式会社
Priority date: 1984-02-03
Filing date: 1984-02-03
Publication date: 1985-08-23

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図は従来の赤外線センサの頂部構造を示す部分
正断面図、第４図および第５図はそれぞれ本考案の実施
例にかかる赤外線セーンサの頂部構造を示す部分正断面
図である。１・・・・・・金属ケース、１ａ・・・・・・赤外線透
過窓、１ｂ・・・・・・下端かしめ部、１ｅ・・・・・
・頂壁周縁部、１ｆ・・・・・・頂壁周縁凸部、１ｇ、
１ｋ・・・・・・赤外線透過窓材支持部、２．２ａ、　
２ｂ・・・・・・赤外線透過窓材、３・・・・・・上側
導電体リング、４・・・・・・焦電素子、４ａ・・・・
・・焦電体膜、４ｂ・・・・・・表面電極、４ｃ・・・
・・・裏面電極、５・・・・・・下側導電体リング、６
・・・・・・ＦＥＴ（６ａ・・・・・・ゲートリード線
）、７・・・・・・絶縁部材、８・・・・・・リード線
。第−１図　−゛ δ（６ａ、／ｊ６．ぬ）１１門Figure 1 is a front cross-sectional view of the infrared sensor previously proposed by the inventors, Figure 2 is a cross-sectional view in the thickness direction showing the laminated structure of the pyroelectric element, and Figure 3 is the top structure of a conventional infrared sensor. 4 and 5 are partial front sectional views showing the top structure of an infrared sensor according to an embodiment of the present invention, respectively. 1...Metal case, 1a...Infrared transmission window, 1b...Lower end caulking part, 1e...
・Top wall peripheral edge part, 1f...Top wall peripheral edge convex part, 1g,
1k...Infrared transmitting window material support part, 2.2a,
2b... Infrared transmitting window material, 3... Upper conductor ring, 4... Pyroelectric element, 4a...
...Pyroelectric film, 4b...Surface electrode, 4c...
... Back electrode, 5 ... Lower conductor ring, 6
...FET (6a...gate lead wire), 7...insulating member, 8...lead wire. Figure 1 -゛δ (6a, /j6.nu) 11 gates

Claims

[Claims for Utility Model Registration] 1. An infrared transmitting window material is disposed along the infrared transmitting window of a metal case having an infrared transmitting window opened at the top, and a film is provided near the infrared transmitting window material inside the metal case. An infrared sensor comprising a shaped pyroelectric element, wherein the infrared transmitting window material is disposed above the metal case. 2. The infrared sensor according to claim 1, wherein the film-like pyroelectric element directly contacts the inner surface of the top wall of the metal case. -3 The infrared sensor according to claim 1 or 2, wherein a convex portion surrounding an infrared transmitting window material is formed on the upper peripheral edge of the top wall of the metal case.