Microwave heater and method of manufacture

Details Microwave heater and method of manufacture Microwave heater and method of manufacture

1988-05-23

1990-02-27

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055F, 426107, 426234, 426243, 99DIG14, 126390, H05B 680

Patent

active

049048368

ABSTRACT:
A microwave food package with a heater and method of manufacture are provided. The heater includes a substrate coated with a microwave lossy material having a thickness in the range of between about 0.001 cm and about 0.025 cm and an inverse penetration depth greater than about 0.01 cm.sup.-1. The layer of lossy material is preferably in liquid form when applied to the substrate and is non-liquid when used. The lossy material can have electric field loss properties alone or magnetic loss properties and combination thereof.

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