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:
Nov. 22, 1988
Filed:
Sep. 02, 1987
Applicant:
Inventors:
Rolv Hundal, Greensburg, PA (US);
Raymond G Seidensticker, Forest Hills, PA (US);
James P McHugh, Wilkins Township, Allegheny County, PA (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B / ; C30B / ; C30B / ; C30B / ;
U.S. Cl.
CPC ...
422248 ; 422245 ; 422249 ; 1566201 ; 1566204 ; 15662071 ; 156D / ; 156D / ;
Abstract
A method and apparatus for growing dendritic web crystals at increased growth rates is disclosed in which a sublid is used to maintain a sufficiently hot silicon melt surface temperature to insure stable web growth, while simultaneously permitting more efficient heat transfer from the growing dendritic web to the cooler susceptor lid.