Title:
PYROELECTRIC INFRARED RAY SENSOR
Document Type and Number:
Japanese Patent JP2000074740
Kind Code:
A
Abstract:
To make a pyroelectric infrared sensor incorporable in such small package as TO-5 type package while not requiring a expensive part such as Zener diode and to obtain sufficient effect to an ESD.
A stem 12 which, capped with a cap 2 provided with a light- receiving window 1, constitutes a package, a pyroelectric element 3 and a resistor 6 which generate electric signal according to the received infrared dose, and an FET5 connected to a pyroelectric element 3 are provided to detect the infrared dose. Here, resistors 8 and 10 and capacitors 7 and 9 incorporated in the package constitute an ESD protective circuit.
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Inventors:
INOUE OSAMU
TAMURA YUKITOSHI
MATSUZAKI TOSHIE
TAMURA YUKITOSHI
MATSUZAKI TOSHIE
Application Number:
JP24608398A
Publication Date:
March 14, 2000
Filing Date:
August 31, 1998
Export Citation:
Assignee:
SUMITOMO METAL MINING CO
International Classes:
G01J1/02; H01L37/02; (IPC1-7): G01J1/02; H01L37/02
Attorney, Agent or Firm:
Kamoda Asao
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