Katie Webster Brennan, Age 45508 Weatherby Rd, Bel Air, MD 21015

Katie Brennan Phones & Addresses

508 Weatherby Rd, Bel Air, MD 21015 (443) 371-7557

Baltimore, MD

Abingdon, MD

Mentions for Katie Webster Brennan

Career records & work history

Medicine Doctors

Katie L. Brennan

Specialties:
Family Medicine
Work:
Sage Medical Clinic
820 N Montana Ave, Helena, MT 59601
(406) 443-7733 (phone) (406) 443-8292 (fax)
Languages:
English
Description:
Ms. Brennan works in Helena, MT and specializes in Family Medicine.

License Records

Katie Rybak Brennan

Licenses:
License #: 1438 - Active
Category: Audiology/Speech-Language Path
Issued Date: Dec 28, 2010
Effective Date: Dec 28, 2010
Expiration Date: Dec 1, 2018
Type: Speech-Language Pathologist

Publications & IP owners

Us Patents

Multicolor Photolithography Materials And Methods

US Patent:
2017016, Jun 15, 2017
Filed:
Dec 13, 2016
Appl. No.:
15/377578
Inventors:
- College Park MD, US
Daniel E. Falvey - Takoma Park MD, US
Steven Wolf - Riverdale, MD
Katie Brennan - College Park MD, US
Assignee:
University of Maryland, College Park - College Park MD
International Classification:
G03F 7/031
G03F 7/20
Abstract:
The present invention relates to photoresist compositions comprising a base resin such as a monomer capable of radical polymerization upon photoinitiation, and photoinitiator molecules such as a diketone, and multicolor photolithography methods. Photoresist compositions comprise photoinitiator molecules that are exposed to a first radiation source, thereby exciting the photoinitiator molecules from a ground state to a pre-activated state. The pre-activated state molecules are then exposed to a second radiation source in selected locations, thereby deactivating the pre-activated state molecules in the selected locations. Any remaining pre-activated state molecules are exposed to a third radiation source, exciting such remaining pre-activated state photoinitiator molecules to an activated state. Polymerization of the base resin is then initiated.

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