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:
Sep. 03, 2024

Filed:

Sep. 26, 2022
Applicant:

Dorco Co., Ltd., Seoul, KR;

Inventors:

Min Joo Park, Gyeonggido, KR;

Sung Hoon Oh, Gyeonggido, KR;

Seong Won Jeong, Gyeonggido, KR;

Assignee:

Dorco Co., Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26B 21/60 (2006.01); B26B 21/40 (2006.01); C23C 14/16 (2006.01); C23C 14/34 (2006.01);
U.S. Cl.
CPC ...
B26B 21/60 (2013.01); B26B 21/4068 (2013.01); C23C 14/16 (2013.01); C23C 14/3407 (2013.01);
Abstract

The present disclosure provides a razor blade coating by a physical vapor deposition method through performing a deposition with a single composite target composed of dissimilar materials with their area ratio defined to be varied in the single composite target in the direction of transferring the razor blade subject to the deposition, thereby forming a single layer in which the composition ratio of the dissimilar materials gradually changes in the thickness direction of the coating layer to improve the durability of the razor blade coating layer.


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