Patent ID: 8487392
Filing Date: 2013-07-16
Classification: G21H,H01L

Abstract:
1. A betavoltaic battery device, comprising: a lid to battery case; wherein said lid comprises a positive post, a negative post, and a case isolation strip; wherein said case isolation strip is located between said positive post and said negative post; a first layer; wherein said lid is located on top of said first layer; said first layer comprises a central isotope layer, a first isolation strip, a first metal contact strip, and a second metal contact strip; said central isotope layer is encircled partially by said first isolation strip and said first metal contact strip; said first isolation strip is encircled partially by said second metal contact strip; said first isolation strip is located between said second metal contact strip and said first metal contact strip; a second layer; said first layer is located on top of said second layer; said second layer comprises a central SiC betavoltaic layer, an ohmic contact strip, a second isolation strip, a third metal contact strip, and a fourth metal contact strip; said central SiC betavoltaic layer is encircled by said ohmic contact strip; said ohmic contact strip is encircled by said second isolation strip; said second isolation strip is encircled partially by said third metal contact strip, and said fourth metal contact strip; a third layer; said second layer is located on top of said third layer; said third layer comprises a third isolation strip, a fifth metal contact strip, and a sixth metal contact strip; and said third isolation strip is encircled partially by said fifth metal contact strip and said sixth metal contact strip.