Pin lift plasma processing

Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means

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Details

156643, 156646, 204298, 269 53, B44C 122, C03C 1500, H01L 21306, C23F 102

Patent

active

046247289

ABSTRACT:
A wafer is supported on pins within a plasma reactor, allowing the plasma to act on both sides of the wafer. Various processes are disclosed for pins-up and pins-down condition. If conductive pins are used, they are preferably flattened. The wafer is preferably biased negatively with respect to the plasma.

REFERENCES:
patent: 4547247 (1985-10-01), Warenback et al.
patent: 4551192 (1985-11-01), DiMilia et al.

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