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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 5700551 B1

PDFFull Text
Date of Patent:
Dec. 23, 1997

Filed:

Sep. 18, 1995

Layered film made of ultrafine particles and a hard composite material

Applicant:
Inventors:

Satoru Kukino, Hyogo, JP;

Tetsuo Nakai, Hyogo, JP;

Mitsuhiro Goto, Hyogo, JP;

Takashi Yoshioka, Hyogo, JP;

Makoto Setoyama, Hyogo, JP;

Assignee:

Sumitomo Electric Industries, Ltd., Osaka, JP;

Attorney:

Foley and Lardner

Primary Examiner:

Archene Turner

Int. Cl.
CPC ...
C23C / ; B23B / ;
U.S. Cl.
CPC ...
428212 ; 428216 ; 428336 ; 428698 ; 428701 ; 428702 ; 428704 ; 51307 ; 51309 ; 4274191 ; 4274192 ; 4274197 ;
Abstract

Ultrafine particle-layered film for coating cutting tools. The film has more than two layers of at least two compounds consisting mainly of carbide, nitride, carbonitride or oxide of at least one element selected from a group consisting of IVa group elements, Va group elements, VIa group elements, Al, Si and B, and that each layer is made of ultrafine particles. Ultrafine particle-layered film improves hardness, strength, wear-resistance and heat-resistance of the tools.

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Kukino, Satoru. (1997). Layered film made of ultrafine particles and a hard composite material (U.S. Patent No. 5700551). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5700551

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