The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 1996
Filed:
Jan. 17, 1995
Applicant:
Inventors:
Satoru Fujii, Takatsuki, JP;
Ryoichi Takayama, Suita, JP;
Yoshihiro Tomita, Osaka, JP;
Masayuki Okano, Kobe, JP;
Hideo Torii, Higashi Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J / ;
U.S. Cl.
CPC ...
2503383 ;
Abstract
A pyroelectric infrared detector includes a substrate having a recess. A pyroelectric portion substantially aligns with the recess. A resin film is located between the substrate and the pyroelectric portion. The recess faces the resin film. First and second electrodes are connected to first and second surfaces of the pyroelectric portion respectively. The pyroelectric portion may include a pyroelectric film of Pb.sub.x La.sub.y Ti.sub.z Zr.sub.w O.sub.3 where atomic fractions 'w', 'x', 'y', and 'z' satisfy one of following conditions a), b), and c):