Real time photoresist outgassing control system and method

Real time photoresist outgassing control system and method

A system and method for controlling an amount of outgassing caused by implanting ions into a photoresist disposed on a workpiece. The amount of outgassing is based on the species being implanted, the type of photoresist, the energy of the implant, and the amount of dose that has already been implant...

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Hauptverfasser: Timberlake, David Roger, Clay, Nevin, Campbell, Christopher W
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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creator Timberlake, David Roger
Clay, Nevin
Campbell, Christopher W
description A system and method for controlling an amount of outgassing caused by implanting ions into a photoresist disposed on a workpiece. The amount of outgassing is based on the species being implanted, the type of photoresist, the energy of the implant, and the amount of dose that has already been implanted, among other effects. By controlling the effective beam current, the amount of outgassing may be maintained below a predetermined threshold. By developing and utilizing the relationship between effective beam current, dose completed and rate of outgassing, the effective beam current may be controlled more precisely to implant the workpiece in the most efficient manner while remaining below the predetermined outgassing threshold.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
title Real time photoresist outgassing control system and method
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