A solar cell having a by-pass diode includes a second conductivity type layer and a second conductivity type well formed on the front surface of a first conductivity type semiconductor substrate, and a first conductivity type layer formed in a second conductivity type well. A comb-shaped front electrode...http://www.google.com.tw/patents/US5223044?utm_source=gb-gplus-share專利 US5223044 - Solar cell having a by-pass diode
