Design of epoxy resins for UV laser cure

Author

Bayer, Heiner

Author_Institution

Corporate Technol., Siemens AG, Munchen, Germany

fYear

2002

fDate

2002

Firstpage

78

Lastpage

83

Abstract

Epoxy resins are known to be curable by UV initiated cationic living polymerization. The monochromatic UV light from scanning lasers bears some peculiarities, especially when defined structures are to be cured. Different types of UV lasers have been examined to cure resin layers of some ten micrometers thickness. Several ingredients of the resin formulations have been developed and screened for suitability in microelectronic applications similar to micro laser stereolithography. Among those were photoinitiators, sensitizers, polyols and new epoxy compounds.

Keywords

adhesives; conducting polymers; laser materials processing; photochemistry; polymer blends; polymerisation; rapid prototyping (industrial); ultraviolet radiation effects; UV laser cure; adhesion; cationic living polymerization; epoxy resins design; laser direct writing; laser stereolithography; locally defined structures; microelectronic applications; photoinitiators; polyestertriol; polyether network; polyols; resin formulations; sensitizers; Absorption; Argon; Chemical lasers; Epoxy resins; Lamps; Laser modes; Microelectronics; Optical design; Polymers; Ring lasers;

fLanguage

English

Publisher

ieee

Conference_Titel

Polymers and Adhesives in Microelectronics and Photonics, 2002. POLYTRONIC 2002. 2nd International IEEE Conference on

Print_ISBN

0-7803-7567-X

Type

conf

DOI

10.1109/POLYTR.2002.1020187

Filename

1020187