Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With particular dopant concentration or concentration profile
Patent
1998-07-14
2000-05-16
Tran, Minh Loan
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
With particular dopant concentration or concentration profile
257 96, 257102, 257103, 372 46, H01L 3300, H01S 319
Patent
active
060640790
ABSTRACT:
Disclosed is a gallium nitride-based compound semiconductor device, including a laminate film consisting of a plurality of layers stacked one upon the other to form a pn-junction and formed of InGaAlN. The semiconductor device also includes an n-side electrode and a p-side electrode to supply current to the pn-junction. Further included is a heat generation structure formed within the laminate film. The heat generation structure includes a low resistivity portion having a relatively low resistivity and a high resistivity portion having a relatively high resistivity and positioned adjacent to the low resistivity portion. The low resistivity portion and the high resistivity portion are formed within a single layer, differ from each other in carrier concentration, and formed by introducing an impurity into the single layer in a different dose such that the low resistivity portion is positioned closer to the p-side electrode than the high resistivity portion.
REFERENCES:
patent: 5821555 (1998-10-01), Saito et al.
patent: 5889295 (1999-03-01), Rennie et al.
Ishikawa Masayuki
Nunoue Shin-ya
Sasanuma Katsunobu
Yamamoto Masahiro
Kabushiki Kaisha Toshiba
Tran Minh Loan
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