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:
May. 09, 2023
Filed:
Sep. 27, 2019
Carbon, Inc., Redwood City, CA (US);
James Michael Ian Bennett, San Francisco, CA (US);
Carbon, Inc., Redwood City, CA (US);
Abstract
A removable window cassette () for a bottom-up stereolithography apparatus includes (a) a light-transmissive window () having a rigid bottom portion (), a semipermeable top portion (), and a fluid flow region therebetween; (b) a circumferential frame () surrounding said window and into which said window is recessed, said frame having a top portion, a bottom portion, and an internal wall portion (C), said frame internal wall portion defining with said window semipermeable top portion a well into which a polymerizable liquid may be received; and (c) a plurality of clamp draw-in pins () connected to said frame bottom portion and extending downward therefrom; and (d) at least a first and second port (A,B) connected to said frame bottom portion, with said first port in fluid communication with said second port through said window fluid flow region.