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| Number | Title | Issue Date |
| 7405452 | Semiconductor device containing dielectrically isolated PN junction for enhanced breakdown characteristics A semiconductor device includes a field shield region that is doped opposite to the conductivity of the substrate and is bounded laterally by dielectric sidewall spacers and from below by a PN junction. For example, in a trench-gated MOSFET the field shield region m... | 07/29/2008 |
| 7394150 | Semiconductor package including die interposed between cup-shaped lead frame and lead frame having mesas and valleys A semiconductor package includes a die that is interposed, flip-chip style, between an upper lead frame and a lower lead frame. The lower lead frame has contacts that are aligned with terminals on the bottom surface of the die. The upper lead frame contacts a termin... | 07/01/2008 |
| 7329583 | Method of fabricating isolated semiconductor devices in epi-less substrate An structure for electrically isolating a semiconductor device is formed by implanting dopant into a semiconductor substrate that does not include an epitaxial layer. Following the implant the structure is exposed to a very limited thermal budget so that dopant does... | 02/12/2008 |
| 7291884 | Trench MIS device having implanted drain-drift region and thick bottom oxide A trench MIS device is formed in a P-epitaxial layer that overlies an N-epitaxial layer and an N+ substrate. In one embodiment, the device includes a thick oxide layer at the bottom of the trench and an N-type drain-drift region that extends from the bottom of the t... | 11/06/2007 |
| 7282412 | Trench semiconductor device having gate oxide layer with multiple thicknesses and processes of fabricating the same The a trench semiconductor device such as a power MOSFET the high electric field at the corner of the trench is diminished by increasing the thickness of the gate oxide layer at the bottom of the trench. Several processes for manufacturing such devices are described... | 10/16/2007 |
| 7279399 | Method of forming isolated pocket in a semiconductor substrate A family of semiconductor devices is formed in a substrate that contains no epitaxial layer. In one embodiment the family includes a 5V CMOS pair, a 12V CMOS pair, a 5V NPN, a 5V PNP, several forms of a lateral trench MOSFET, and a 30V lateral N-channel DMOS. Each o... | 10/09/2007 |
| 7279378 | Method of fabricating isolated semiconductor devices in epi-less substrate An structure for electrically isolating a semiconductor device is formed by implanting dopant into a semiconductor substrate that does not include an epitaxial layer. Following the implant the structure is exposed to a very limited thermal budget so that dopant does... | 10/09/2007 |
| 7276431 | Method of fabricating isolated semiconductor devices in epi-less substrate An structure for electrically isolating a semiconductor device is formed by implanting dopant into a semiconductor substrate that does not include an epitaxial layer. Following the implant the structure is exposed to a very limited thermal budget so that dopant does... | 10/02/2007 |
| 7276411 | Trench semiconductor device having gate oxide layer with multiple thicknesses and processes of fabricating the same The a trench semiconductor device such as a power MOSFET the high electric field at the corner of the trench is diminished by increasing the thickness of the gate oxide layer at the bottom of the trench. Several processes for manufacturing such devices are described... | 10/02/2007 |
| 7275252 | Cell phone or other portable handset containing microminiature optical disc drive A microminiature optical disc drive is mounted in a cell phone or other handheld portable device to provide a large data source for playing games, movies and other digital content on the device. The optical disc drive is manufactured to an extremely small form facto... | 09/25/2007 |
| 7268032 | Termination for trench MIS device having implanted drain-drift region A trench MIS device is formed in a P-epitaxial layer that overlies an N-epitaxial layer and an N+ substrate. In one embodiment, the device includes an N-type drain-drift region that extends from the bottom of the trench to the N-epitaxial layer. Preferably, the drai... | 09/11/2007 |
| 7265434 | Modular bipolar-CMOS-DMOS analog integrated circuit and power transistor technology A family of semiconductor devices is formed in a substrate that contains no epitaxial layer. In one embodiment the family includes a 5V CMOS pair, a 12V CMOS pair, a 5V NPN, a 5V PNP, several forms of a lateral trench MOSFET, and a 30V lateral N-channel DMOS. Each o... | 09/04/2007 |
| 6239463 | Low resistance power MOSFET or other device containing silicon-germanium layer A power MOSFET or other semiconductor device contains a layer of silicon combined with germanium to reduce the on-resistance of the device. The proportion of germanium in the layer is typically in the range of 1-40%. To achieve desired characteristics the... | 05/29/2001 |
