Advanced Materials Engineering Services for the High Technology and Process Industries
Electropolished surfaces evaluated in accordance with SEMI F19 specifications:
Auger surface analysis and depth profiles
XPS surface analysis
Chromium oxide to iron oxide ratios
SEM surface examination at 3,500x
SEMI Standards As Referenced: F20, F37, F60, F70, F72, F73, F77
Energy Dispersive X-Ray Analysis
Aluminum oxide corrosion products formed during the contamination of liquid natural gas pump by sea water.
Crack initiation and propagation in ceramic part.
Metallographic section through gold germanium braze between stainless steel and alumina.
Scanning Electron Microscopy
Corrosion of Pirani pressure sensor
by moist bromine.
Pitting of 316L stainless steel in 6% hydrated ferric chloride. ASTM G-48 Corrosion Test.
SEMI F77(cpt), F2129
ASTM G48, G150, G61
Preparation of metallographic cross-sections including welds, plasma coatings, ceramics, and polymers.
EDS/EDX Element Mapping
EDS element mapping shows nickel layer attacked by bromine.
Catastrophic failure of phosphoric acid storage tanks due to chloride stress corrosion cracking.
MTA Inc has over 50 years of experience in failure analysis working with a broad range of industries involved in the design, fabrication and operation of equipment used in the manufacture of semiconductors and the production of
pharmaceuticals, and process chemicals such as ethanol, hydrogen peroxide sulfuric and phosphoric acid.