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.

Date of Patent:
Jun. 26, 2001

Filed:

Oct. 08, 1998
Applicant:
Inventors:

Kazuyuki Sakata, Tokyo, JP;

Kazunori Inoue, Tokyo, JP;

Toru Takeguchi, Tokyo, JP;

Nobuhiro Nakamura, Kumamoto, JP;

Masaru Yamada, Kumamoto, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/702 ; H01L 2/348 ; H01L 2/120 ;
U.S. Cl.
CPC ...
H01L 2/702 ; H01L 2/348 ; H01L 2/120 ;
Abstract

A thin film transistor (TFT) device including a first electrode including at least one of a gate, a source and a drain formed on a transparent insulating substrate, an insulating film layer covering both the first electrode and the transparent insulating substrate, and a transparent film electrode formed on the insulating film layer. The first electrode includes a first layer made of pure Al or Al alloy and a second layer, formed by an impurity selected from one of N, O, Si and C, added to the Al or Al alloy. The second layer of the first electrode is provided at an interconnection between the transparent film electrode and the first layer of the first electrode.


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