Title:
強誘電セラミクス、焦電体及び焦電体赤外線検出器
Document Type and Number:
Japanese Patent JP4889845
Kind Code:
B2
Abstract:
A ferroelectric ceramic for use as a pyroelectric, said ceramic having the composition: Pb1+ delta äÄ(Mg1/3Nb2/3)y (Zr1-xTix)1-yÜ1-zAzüO3 where: 0.05≥ delta ≥0 0.4≥ x>0 0.4≥ y> 0 0.05≥ z> 0 and wherein A is a cationic multivalent octahedral site substituent. The ferroelectric ceramic is useful as an active pyroelectric material in infrared detecting devices.
Inventors:
Roger, William, Whatmore
Application Number:
JP2000044679A
Publication Date:
March 07, 2012
Filing Date:
February 22, 2000
Export Citation:
Assignee:
INFRARED INTEGRATED SYSTEMS LTD.
International Classes:
C04B35/493; G01J1/02; C04B35/00; C04B35/49; C04B35/491; C04B35/499; G01J5/02; G01J5/34; H01B3/12; H01L37/02
Domestic Patent References:
| JP2051426A | ||||
| JP54025499A | ||||
| JP45014935A | ||||
| JP4502303A | ||||
| JP3232755A |
Foreign References:
| US3775531 |
Attorney, Agent or Firm:
Hirohito Katsunuma
Yukitaka Nakamura
Noritaka Yokota
Takeyasu Ito
Takeshi Katata
Yukitaka Nakamura
Noritaka Yokota
Takeyasu Ito
Takeshi Katata