Self-resistance-heated evaporation boat

Heating – Accessory means for holding – shielding or supporting work... – Crucible

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Details

13 25, 266275, F27B 1410

Patent

active

040896439

ABSTRACT:
An elongated, cavity-containing, self-resistance-heated, evaporation boat has a triangular cross-sectional shape at its cavity portion.

REFERENCES:
patent: 934374 (1909-09-01), Tomberlin
patent: 2773923 (1956-12-01), Smith
patent: 2996418 (1961-08-01), Bleil
patent: 3392970 (1968-07-01), Falk
patent: 3724996 (1973-04-01), Montgomery
patent: 4015029 (1977-03-01), Elchisak
patent: 4043748 (1977-08-01), Watanabe et al.

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