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:
Oct. 07, 2008
Filed:
Jun. 21, 2006
Takayuki Nishiura, Itami, JP;
Tomoki Uemura, Itami, JP;
Takayuki Nishiura, Itami, JP;
Tomoki Uemura, Itami, JP;
Sumitomo Electric Industries, Ltd, Osaka, JP;
Abstract
Affords methods of surface treating a substrate and of manufacturing Group III-V compound semiconductors, in which a substrate made of a Group III-V semiconductor compound is rendered stoichiometric, and microscopic roughness on the surface following epitaxial growth is reduced. The methods include preparing a substrate made of a Group III-V semiconductor compound (S), and cleaning the substrate with a cleaning solution whose pH has been adjusted to an acidity of 2 to 6.3 inclusive, and to which an oxidizing agent has been added (S).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile