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:
Mar. 27, 2012

Filed:

Jun. 05, 2006
Applicant:

Yoshitake Natsume, Amagasaki, JP;

Inventor:

Yoshitake Natsume, Amagasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 15/14 (2006.01); C01B 33/20 (2006.01); C04B 41/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a powder-sintered type silicon monoxide based evaporating material which is used to form an evaporated film of silicon monoxide, the generation of splash is restrained. Material strength that can resist against the use of the material is ensured. In order to realize these, a starting powder made of precipitating SiO is sintered at 700 to 1000° C. to form an evaporating material. The precipitation of Si is restrained in the step of the sintering. In the measurement thereof by XRD, the peak strength Pat a Si peak point generated near 2θ=28° and the base strength Pat the peak point expected from the average strength gradient before and after the peak point satisfies the following: P/P≦3. The compression fracture strength of the evaporating material after the material is sintered is raised to 5 MPa or more by selective use of precipitating SiO produced by a vacuum condensing machine.


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