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:
Jul. 25, 2017
Filed:
Nov. 29, 2012
Corning Incorporated, Corning, NY (US);
Paulo Gaspar Jorge Marques, Le Chatelet en Brie, FR;
Corning Incorporated, Corning, NY (US);
Abstract
A method of forming complex structures in a ceramic-, glass- or glass-ceramic-body microfluidic module is disclosed including the steps of providing at green-state refractory- material structure () comprising least a portion of a body of a microfluidic module, providing a removeable insert () formed of a carbon or of a carbonaceous material having an external surface comprising a negative surface () of a desired surface to be formed in the microfluidic module, machining an opening () in the green-state structure (), positioning the insert () in the opening (), firing the green-state structure () and the insert () together, and after firing is complete, removing the insert (). The insert () is desirably a screw or screw shape, such that interior threads are formed thereby. The insert () desirably comprises graphite, and the structure desirably comprises ceramic, desirably silicon carbide.