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:
Dec. 19, 1989
Filed:
Oct. 13, 1987
Applicant:
Inventors:
Hendrik Veenvliet, Eindhoven, NL;
Antonius H Raaymakers, Eindhoven, NL;
Maarten J Verkerk, Eindhoven, NL;
Arnold H Witjes, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29D / ;
U.S. Cl.
CPC ...
427 38 ; 156643 ; 264-13 ; 264-14 ; 264-19 ; 264-26 ; 427 541 ; 427163 ; 427307 ;
Abstract
Diffuse reflectors are manufactured by depositing a reflecting material (5) on a roughened surface of a synthetic resin layer (1), roughened by treatment in a polyhalogenated hydrocarbon plasma containing fluorine and carbon, such as FREON, containing plasma or by means of UV radiation. The layer (5) of reflecting material may also be deposited on the resin layer (11) at an elevated temperature.