High visibility microwave oven door with screen and microwave absorbing material

A microwave oven comprising:

• a cabinet;
• a door attached to the cabinet to form a food processing chamber, wherein the door has an interior face arranged to face an inside of the microwave oven and an exterior face arranged to face an outside of the microwave oven, the door comprising
• a screen to reflect microwave energy, wherein the screen has a plurality of screen lines and a plurality of screen openings defined by the plurality of screen lines, and wherein the screen has a screen period,
• an absorbing film to absorb microwave energy, and
• a frame, wherein the frame supports the screen and the absorbing film so as to form a window through the door and to maintain leakage of microwave energy through the door from the food processing chamber below a predetermined level, wherein the frame supports the screen and the absorbing film so that the screen is closer to the interior face than is the absorbing film and the screen and the absorbing film are separated by a distance which is as least as great as the screen period, and wherein the screen and the absorbing film are electrically attached to the frame.

A door for a microwave oven, wherein the door has an interior face arranged to face an inside of the microwave oven and an exterior face arranged to face an outside of the microwave oven, the door comprising:

• a screen to reflect microwave energy, arranged to attenuate microwave energy by X dB, and having a transparency in a range of about 70% to about 80% and a plurality of lines arranged to form openings having a screen period, the lines having a thickness in a range of about 0.00625" to about 0.020", and the screen period being in a range of about 0.0625" to about 0.125";
• an absorbing film to absorb microwave energy and arranged to attenuate microwave energy by Y dB;
• and
• a frame supporting the screen and the absorbing film to form a window through the door, wherein the screen and absorbing film are supported by the frame so that the screen is closer to the interior face than is the absorbing film, and X+Y is sufficient to attenuate leakage of microwave energy through the door to substantially not more than a predetermined level.

A door for a microwave oven, wherein the door has an interior face arranged to face an inside of the microwave oven and an exterior face arranged to face an outside of the microwave oven, the door comprising:

• a screen to reflect microwave energy, arranged to attenuate microwave energy by X dB, and having a transparency of about 90% and a plurality of lines arranged to form openings having a screen period, the lines having a thickness in a range of about 0.00313" to about 0.0125" and a width, and the screen period being in a range of about 0.0625" to about 0.250";
• an absorbing film to absorb microwave energy and arranged to attenuate microwave energy by Y dB;
• and
• a frame supporting the screen and the absorbing film to form a window through the door, wherein the screen and absorbing film are supported by the frame so that the screen is closer to the interior face than is the absorbing film, and X+Y is sufficient to attenuate leakage of microwave energy through the door to substantially not more than a predetermined level.