Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
【発明の名称】赤外線検出器
Document Type and Number:
Japanese Patent JPH068756
Kind Code:
B2
Abstract:
An infra-red radiation detector comprises a pyroelectric detector element (1) in an hermetically sealed housing (9, 20). The housing comprises a base (9) and a cover (20) with an aperture (10) surrounded by an inwardly directed flange (17). A self-locating window (18) capable of transmitting infrared radiation which closes the aperture is fastened to the flange with adhesive. The window comprises a first portion (18a) which is adapted to fit and which is located within the aperture, and a second wider portion (18b) presenting a peripheral shoulder (18c) which bears against the flange. The second portion of the window is present outside the cover, giving a wide field of view.

Inventors:
PATORITSUKU JON RICHAADO BOORU
DEBITSUDO NOOMAN UOGAN
Application Number:
JP20517485A
Publication Date:
February 02, 1994
Filing Date:
September 17, 1985
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUIRITSUPUSU FURUUIRANPENFUABURIKEN NV
International Classes:
G01J1/02; G01J5/02; G01J5/34; H01L37/02; (IPC1-7): G01J5/02; G01J1/02
Domestic Patent References:
JP6031027A
JP58145527U
Attorney, Agent or Firm:
Akihide Sugimura (1 outside)



 
Next Patent: 光パルス測定方法