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 7981728 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 19, 2011

Filed:

Mar. 12, 2009
Applicant:

Soon-jin Cho, Suwon-si, KR;

Inventor:

Soon-Jin Cho, Suwon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A coreless substrate having a plurality of function pads, etched from a metal sheet and having a protruded shape; an insulating layer, the insulating layer being formed on one side of the function pads, a circuit corresponding to a pattern being formed on the insulating layer, a via hole being formed on the insulating layer to electrically connect the function pads and the circuit; and a solder resist, being formed on the insulating layer to protect the surface of the insulating layer. The coreless substrate has a signal delivery characteristic that is improved by eliminating the inner via hole.


Find Patent Forward Citations

Cho, Soon-Jin. (2011). Coreless substrate (U.S. Patent No. 7981728). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7981728

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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