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:
Mar. 29, 1988
Filed:
Jul. 06, 1983
Applicant:
Inventor:
Masakatu Kojima, Yokosuka, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C30B / ;
U.S. Cl.
CPC ...
422249 ; 156607 ; 156D / ; 1566171 ;
Abstract
An apparatus for growing compound semiconductor single crystals includes a collector which removes the excess amount of melt B.sub.2 O.sub.3 from the crucible containing melt GaP and melt B.sub.2 O.sub.3. The collector moves up and down independently with reference to the shaft used in pulling the single crystals from the crucible.