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:
Jun. 27, 2006
Filed:
Dec. 02, 2003
Hiromichi Kumakura, Saitama, JP;
Hirokazu Goto, Saitama, JP;
Takasi Kato, Saitama, JP;
Sanken Electric Co., Ltd., , JP;
Abstract
A first insulation film is made of a silicon material and is provided on a semiconductor base. A second insulation film is made of an organic material and is provided on the first insulation film. The second insulation film is thicker than the first insulation film. A third insulation film is thinner than the second insulation film and is provided on the second insulation film. The third insulation film is made of a silicon material and has a moisture resistance property. A fourth insulation film is made of an organic material. The fourth insulation film is provided on the third insulation film to prevent a damage on the third insulation film. A wiring layer is provided on the fourth insulation film.