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.:

US 8039948 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 18, 2011

Filed:

Jun. 01, 2005
Applicants:

Ryosuke Usui, Ichinomiya, JP;

Takeshi Nakamura, Isesaki, JP;

Inventors:

Ryosuke Usui, Ichinomiya, JP;

Takeshi Nakamura, Isesaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

A device mounting board for a device to be mounted on, comprising: a substrate; and a laminated film composed of a plurality of insulating layers formed on one side of the substrate. Here, any of the second and subsequent insulating layers from the substrate is a photosolder resist layer containing a cardo type polymer. The photosolder resist layer has a thickness smaller than that of the insulating resin film arranged between the photosolder resist layer and the substrate.


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Usui, Ryosuke. (2011). Device mounting board and semiconductor apparatus using the same (U.S. Patent No. 8039948). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8039948

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