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651842 Sigma-Aldrich

Gold etchant, nickel compatible

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Properties

Related Categories Electronic Chemicals, Etchants, Materials Science, Micro/NanoElectronics
Quality Level   100
vapor density   9 (vs air)
vapor pressure   0.3 mmHg ( 15 °C)
composition   volatiles, 50-80%
bp   100 °C/1 atm
solubility   H2O: miscible at 20 °C

Description

General description

Nickel compatible gold etchant is an etching solution that can be used in the removal of the gold layer from the surface. Compatibility of gold etchants with nickel allows it to be utilized in applications where nickel is used as a dominant material in the fabrication of micro-electro-mechanical systems (MEMS).

Packaging

500 mL in glass bottle

Application

Elective general-purpose etchant for gold. Compatible with negative and positive photoresists.

Features and Benefits

Etching readily controlled with minimum undercutting. Room temperature operated. Cyanide-free, no attack of nickel films.

Safety & Documentation

Safety Information

Signal word 
Danger-Danger
Target organs 
Thyroid
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 2
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles

Protocols

Negative Photoresist Procedure

Our photoresist kit was designed to have the necessary chemical components for each step in the lithographic process. The component materials are provided in pre-weighed quantities for your convenien...
Keywords: Adhesion, Diffraction, Evaporation, Polymerization reactions, Size-exclusion chromatography, Solvents

Peer-Reviewed Papers
15

References

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