
Products & Applications
PA-CVD Technologies
-
PA-CVD based Coating capabilities:
-
UHP Amorphous Silicon
-
Wear-resistant hard protective coatings – DLC, Si-based ceramics (SiC, SiCN, SiN and SiON)
-
Anti-Reflection Coatings – Si based (SiOx, SiN, SiON)
-
Hard, scratch-resistant Transparent Coatings – Si/Al based ceramics
-
RIE – Removal of various coatings including DLC, SiN, TaO, SiOx, etc.
-


SiC and SiCN
-
Hard and durable
-
Measured nano-hardness of over 25 GPa
-
Tailorable electrical resistance (range from 106 to 1011 Ohm).
-
Strongly Adherent to most substrates with tailored proprietary interlayers
-
Very Low Deposition Temperatures, <150°C
-
Thickness up to tens of microns possible

Optically Transparent Hard Coatings
-
SiOx, SiN, SiON and other Si based coatings
- Compositions can be tailored to customer requirements -
Ultra-high purity
-
Can be deposited on various substrate types
-
Thickness up to several microns
-
Very low deposition temperatures, <150°C
-
Anti-reflection performance to transparent ceramic optics


Reactive Ion Etching (RIE)
-
Tailored processes to remove various coatings
-
Capable of removing DLC, SiC, Multilayered coatings, SixNy, etc, without significantly altering substrate roughness
-
Thickness up to several microns can be removed

Our Si-cladding enables Figure and Finish in SiC Space Telescope Mirrors

Low Temperature Amorphous Silicon Cladding
-
Featureless Amorphous microstructure
-
Diamond-turnable, MRF'able, and Polishable, achieved TWFE performance as low as 0.015 to RMS
-
Very Low Deposition Temperature, <100°C
-
Not "line of sight" process, can coat complex shapes
-
Strongly Adherent to many substrates
-
Thickness from sub-micron to 55 microns achieved
-
Applied on various substrate materials, including polymers
-
Ultra-high Purity, impurities <10 ppm
-
Current size capability up to ~32in. diam., can scale up if required

Coated interior of 36-in. production chamber for Semiconductor Fab - provides dust and contamination-free surface
Surmet's PACVD and PVD Coatings Technologies


Products & Applications
Capabilities – PVD
-
Various metals, metal oxides, metal oxynitrides, metal nitrides.
- Compositions can be tailored to customer requirements -
Can be deposited on various substrate types
-
Thicknesses of up to several microns