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:
Apr. 22, 2014
Filed:
Feb. 09, 2011
Yuelin Shen, Spring, TX (US);
Youhe Zhang, Spring, TX (US);
Jibin Shi, Spring, TX (US);
Yuri Burhan, Spring, TX (US);
Gregory T. Lockwood, Pearland, TX (US);
Yuelin Shen, Spring, TX (US);
Youhe Zhang, Spring, TX (US);
Jibin Shi, Spring, TX (US);
Yuri Burhan, Spring, TX (US);
Gregory T. Lockwood, Pearland, TX (US);
Smith International, Inc., Houston, TX (US);
Abstract
A method of forming a cutting element that includes filling at least one non-planar region on an upper surface of a carbide substrate with a diamond mixture, subjecting the substrate and the diamond mixture to high pressure high temperature sintering conditions to form a reduced-CTE substrate having polycrystalline diamond that extends a depth into the reduced-CTE substrate in an interface region, and an upper surface made of a composite surface of diamond and carbide, and attaching a polycrystalline diamond body to the composite surface of the reduced-CTE substrate is disclosed.