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| SelectEtch™SELECTIVE FRONT END OF LINE (FEOL) SILICON ETCHANTS |
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SACHEM SelectEtch 1400™ series delivers
SACHEM has developed a proprietary etchant with Improved planar etch selectivity Decreased surface roughness Improved process control through lower, controllable etch rates ![]() Note the distinct angles between the interfaces and the smooth bottom and sidewalls of the structures. |
Available Products
SelectEtch™ SE-1430 Planar Selective Silicon Etchant
Planar Selective Etchant for Silicon to create source-drain recess geometries.



