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Proceedings Paper

Poly(bis-alkylthio-acetylen): a dual-mode laser-sensitive material
Author(s): Reinhard R. Baumann; Joachim Bargon; Hans-Klaus Roth
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Paper Abstract

Patterns of electrically conducting polymers (100 S cm-1) can be obtained by irradiating thin layers of insulating poly (bis-ethylthio-acetylene) (10-14 S cm-1) with 488 nm Ar+-laser or 351 nm XeF-excimer laser radiation. On the other hand this polymer is a suitable material for laser-induced ablation (photodecomposition), whereby this excimer laser patterned insulating polymer can be made conductive by another Ar+-laser afterwards. The conducting tracks have a stable resistivity both in air (without encapsulation) and in moisture at various temperatures and even in corrosive atmospheres. With these techniques, using a computer-controlled linear positioning system, printed microcircuit boards with integrated passive electronic components can be obtained. Surface mounted devices may be integrated into such circuitry using conductive adhesives.

Paper Details

Date Published: 1 July 1991
PDF: 6 pages
Proc. SPIE 1463, Optical/Laser Microlithography IV, (1 July 1991); doi: 10.1117/12.44831
Show Author Affiliations
Reinhard R. Baumann, Technische Hochschule Leipzig (Germany)
Joachim Bargon, Univ. of Bonn (Germany)
Hans-Klaus Roth, Technische Hochschule Leipzig (Germany)

Published in SPIE Proceedings Vol. 1463:
Optical/Laser Microlithography IV
Victor Pol, Editor(s)

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