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:
May. 06, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Takeo Tsukamoto, Atsugi, JP;
Akira Shimizu, Sagamihara, JP;
Akira Suzuki, Yokohama, JP;
Masao Sugata, Yokohama, JP;
Isamu Shimoda, Zama, JP;
Masahiko Okunuki, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
438 20 ; 427 77 ; 445 24 ; 445 51 ; 313309 ; 313310 ; 313311 ;
Abstract
An electron emitting device causes electron emission by a current supply in a coarse resistor film. The coarse thin resistor film is composed at least of a coarse thin silicon film.