Thermal microscope stage

Details Thermal microscope stage Thermal microscope stage

1987-09-08

1989-12-19

Walberg, Teresa J.

Electric heating

Heating devices

Combined with diverse-type art device

219521, 219385, 350533, H05B 326

Patent

active

048884634

ABSTRACT:
An apparatus for maintaining thermal control of the temperature of a microscope stage is provided. A thin copper plate is arranged with a non-inductive serpentine heating element pattern controlled by a proportional power controller. A thermistor temperature sensing device is arranged to sense the temperature near the specimen container and to provide the sensed data to the controller. Proportional power control is accomplished by varying the ratio of "ON" and "OFF" power cycles as the desired temperature is approached.

REFERENCES:
patent: 3177344 (1965-04-01), Morey
patent: 4269862 (1986-12-01), Kitagawa
patent: 4674846 (1987-06-01), Lippman
"A Programmable Temperature-Controlled Microscope Stage . . . ", Reisman, S., IEEE Trans. on Biom. Eng., vol. BME-28, No. 1, Jan. 1981, pp. 44-46.

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