Abstract

ABSTRACTThe advantages of rapid thermal processing over slow, batch type processing have been demonstrated clearly in flat panel display manufacturing for a number of years. In the case of electroluminescence FPD, the brightness of the blue phosphor is increased by as much as 100%.However, rapid thermal processors that use a lamp-based heat source - either a tungsten lamp array or a single arc lamp - have great difficulty in achieving heating uniformity over large areas.By using a resistance-heated continuous heat source developed initially for RTP processing of large silicon wafers, temperature uniformity of less than +/− 2.5°C has been achieved over a panel with diagonal of 530mm.A description of the system and its characteristics are presented.

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