| 摘要 |
<p>1,044,455. Microwave ovens. PHILIPS ELECTRONIC AND ASSOCIATED INDUSTRIES Ltd. March 8, 1965 [March 10, 1964], No. 9714/65. Heading H5H. To prevent H.F. energy leakage a microwave oven has opposing recesses 6, 7 in the oven door 3 and in the door surround 1, each #/4 deep and filled with epoxy resin; another recess 10 in the door is filled with lossy material. The surround and the door may be of Al.</p> |
