Annealing method by irradiation of light beams

Details Annealing method by irradiation of light beams Annealing method by irradiation of light beams

1986-03-25

1988-06-28

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LB, 219121LZ, B23K 2600

Patent

active

047541172

ABSTRACT:
An annealing method for heating a sample by applying radiation of light beams thereto, arranged so that the radiant power of the light beams is sampled or monitored by a light detector (a light detector 12, for example, formed of a phototransistor, photodiode, and the like) and the radiant power of the light beams is controlled through a feedback with the data derived from the monitoring used as the feedback control signal so that the heating temperature of the sample is stabilized. The annealing can be performed with excellent reproducibility from sample to sample.

REFERENCES:
patent: 4476512 (1984-10-01), Sunago et al.
patent: 4504727 (1985-03-01), Melcher et al.
K. Jain, Controlled Laser Annealing by Raman Frequency Feedback, IBM Technical Disclosure Bulletin, vol. 24, No. 8, pp. 4026-4027, Jan. 1982.

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