Screening electrodes for optical semiconductor components
Patent 4240087 Issued on December 16, 1980. Estimated Expiration Date: 
November 2, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 2, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3290175 3405329 3436548 3543302 3559003 3602782 3789216 InventorsApplicationNo. 05/956906 filed on 11/02/1978US Classes:257/82, Discrete light emitting and light responsive devices257/659, WITH SHIELDING (E.G., ELECTRICAL OR MAGNETIC SHIELDING, OR FROM ELECTROMAGNETIC RADIATION OR CHARGED PARTICLES)257/98, With reflector, opaque mask, or optical element (e.g., lens, optical fiber, index of refraction matching layer, luminescent material layer, filter) integral with device or device enclosure or package257/E33.064Comprising transparent conductive layers (e.g., transparent conductive oxides (TCO), indium tin oxide (ITO)) (EPO)ExaminersPrimary: Edlow, Martin H.Attorney, Agent or FirmInternational ClassH01L 33/00 (20060101)Foreign Application Priority Data1975-12-04 DEAbstractAn optoelectronic coupler with a semiconductor transmitter and a semiconductor receiver has a transparent conductive screen formed of semiconductor material overlying the active area of at least one of the transmitter and receiver, in the path of optical radiation passing between the transmitter and receiver, and directly electrically connected to a semiconductor zone of the active area, to protect the coupler from changes in its electrical characteristics due to high intensity electric fields. | |
