Phototransistor device

N Cohen - US Patent App. 14/411,707, 2015 - Google Patents
The present disclosure provides a heterostructure bipolar phototransistor configured for
providing an output signal in response to an external impinging light beam. The hetero …

Method for producing an optoelectronic semiconductor chip, and optoelectronic semiconductor chip

X Wang - US Patent App. 16/755,101, 2020 - Google Patents
US20200243709A1 - Method for producing an optoelectronic semiconductor chip, and
optoelectronic semiconductor chip - Google Patents US20200243709A1 - Method for …

Low-voltage charge-coupled devices with a heterostructure charge-storage well

Z He, YH Zhang - US Patent 10,153,324, 2018 - Google Patents
A CCD with an internal heterostructure well to store the photogenerated carriers is realized
by using barrier and absorber semiconductors with a type-II band alignment in nBn or pBp …