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:
Mar. 24, 2020
Filed:
Mar. 02, 2017
Pusan National University Industry-university Cooperration Foundation, Busan, KR;
Hee Soo Lee, Busan, KR;
Seol Jeon, Gyeongsangnam-do, KR;
Ji Seung Ryu, Busan, KR;
Bu Young Kim, Gyeongsangnam-do, KR;
Seung Hyeon Jo, Busan, KR;
Eun Pyo Hong, Busan, KR;
Yang Do Kim, Busan, KR;
Hyun Jo Yoo, Busan, KR;
Abstract
The present disclosure relates to a method for producing a coating film having high heat resistance, high hardness and wear resistance, a coating film having high heat-resistance, high hardness and wear resistance produced using the method, and a cutting tool including the same. The method includes forming a metal nitride layer on a metal base; forming a carbon layer on the metal nitride layer; and irradiating a laser into the carbon layer to add carbons into a portion of the metal nitride layer, thereby to form a carburized layer.