ORMOCER > ORMOCERs for microsystems technology > Passivation in electronics

ORMOCER®s for
passivation in
electronics


ORMOCER®-beschichtete und bestückte Leiterplatten: Schutzbeschichtung gegen Elektromigration im Feuchtklima


Contact:

Dr. Michael Popall
Phone +49 931 4100-522
Fax +49 931 4100-559
michael.popall@
isc.fraunhofer.de

Fraunhofer-Institut für Silicatforschung ISC
Neunerplatz 2
97082 Würzburg


The use of ORMOCER®s as protective coatings offers the following advantages compared to other materials:
  • A wide range of applications is possible due to good adhesion (chemical linkage) to many different substrates, from low-cost polymers (e.g. FR4) to metals, oxidic and ceramic surfaces (e.g. special steel, aluminum, copper, SiO2, glass, Al2O3 ceramics), and semiconductor substrates (e.g. silicon)
  • Availability of many different application methods (e.g. spin, dip or spray coating, curtain coating, screen and pad printing)
  • Easy modification of physical properties (e.g. viscosity: low for gaps/holes, or high, i.e. thick, for higher layer thicknesses)
  • Low water absorption and water vapor permeation
  • Good chemical resistance, even against strong acids and weak alkaline solutions, as well as organic substances
  • SMD-friendly processing conditions (e.g. low curing temperature, < 170 °C, approx. 80 °C with hardeners, solderable up to approx. 300 °C)

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