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. 30, 1999
Filed:
Jan. 27, 1998
Applicant:
Inventors:
Yu-Chong Tai, Pasadena, CA (US);
Amish Desai, Altadena, CA (US);
Terry Lee, San Dimas, CA (US);
Mike Davis, City of Hope, CA (US);
Assignee:
California Institute of Technology, Pasadena, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
250288 ;
Abstract
An apparatus for MEMS electrospray nozzle for mass spectroscopy formed with top and bottom of SiN, and a between layer of material. The material between the top and bottom forms a filter and also reduces the amount of dead space in the nozzle.