Vacuum microwave thawing method and vacuum microwave thawing...

Details Vacuum microwave thawing method and vacuum microwave thawing... Vacuum microwave thawing method and vacuum microwave thawing...

2007-10-09

2007-10-09

Leung, Philip H. (Department: 3742)

Electric heating

Microwave heating

With control system

C219S686000, C426S241000, C426S523000

Reexamination Certificate

active

10487993

ABSTRACT:
A thawing cycle, wherein after reduced-pressure process (G) is carried out to reduced-pressure balanced range (B), pressure restoration process (F) is started, and when the reduced-pressure of pressure restoration process (F) reaches a lower limit (P1) at which vacuum discharge does not occur, irradiation of microwaves is started, and after pressure restoration is carried out to a preset pressure restoration upper limit (D), reduced-pressure process (G′) is carried out once again, and irradiation of microwaves continues until the reduced-pressure reaches a lower limit (P1) at which vacuum discharge does not occur, and sublimation cooling by sublimation is carried out in the reduced-pressure process to reduced-pressure balanced range (B′) after the irradiation of microwaves is terminated, is carried out repeatedly.

REFERENCES:
patent: 4-43593 (1992-02-01), None
patent: 6-38724 (1994-02-01), None
patent: 8-327068 (1996-12-01), None
patent: 2000-308478 (2000-11-01), None

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