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:
Nov. 19, 2019
Filed:
Feb. 24, 2016
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26F 1/16 (2006.01); B23B 41/16 (2006.01); H05K 3/00 (2006.01); B23B 35/00 (2006.01); B26D 7/08 (2006.01);
U.S. Cl.
CPC ...
B26F 1/16 (2013.01); B23B 35/00 (2013.01); B23B 41/16 (2013.01); B26D 7/08 (2013.01); H05K 3/0047 (2013.01); B23B 2250/12 (2013.01); B26F 2210/02 (2013.01); H05K 2203/0214 (2013.01);
Abstract
An entry sheet for drilling comprising: a metallic foil; and a layer of a resin composition, the layer formed on the metallic foil without interposing an adhesion layer, wherein the surface of the layer of the resin composition, the surface being in contact with the metallic foil, has a dispersion term γSD of surface free energy in a range from 27.0 to 37.0 mJ/mand a polar term γSP of the surface free energy in a range from 0 to 5.0 mJ/m.