Abstract: A semiconductor device includes an n-type buried layer, a first N-well region, a p-type body region, a first source/drain region, a second source/drain region, a gate structure, a second N-well region, and a first silicide region. The n-type buried layer in a substrate. The first N-well region is over the n-type buried layer. The p-type body region abuts the first N-well region. The first source/drain region is in the first N-well region. The second source/drain region is in the p-type body region. The gate structure extends across a boundary of the first N-well region and the p-type body region. The second N-well region is over the n-type buried layer. The first silicide region forms a Schottky contact with the second N-well region.

Abstract: A diode device includes a semiconductor substrate, isolation structures, and metal silicide layers. The semiconductor substrate includes a well region and first to third doped regions in the well region. The first and second doped regions have opposite conductivity types, and a conductivity type of the well region is the same as the conductivity type of the second doped region. The third doped region is between the first and second doped regions. A conductivity type of the third doped region is the same as the conductivity type of the first doped region, and a dopant concentration of the third doped region is greater than a dopant concentration of the first doped region. The isolation structures are in the semiconductor substrate and spacing the first to third doped regions apart from each other. The metal silicide layers are respectively over the first and second doped regions.

Abstract: A semiconductor device includes a p-type epitaxial layer over a substrate, a plurality of n-type wells in the p-type epitaxial layer, a p-type well interfacing a first one of the plurality of n-type wells, a first n-type buried layer in the substrate, a source region in the p-type well, a drain region in a second one of the plurality of n-type wells, and a gate structure laterally between the source region and the drain region. Each of the plurality of n-type wells has a bottom surface entirely in contact with the substrate. The p-type well overlaps with an entirety of the first n-type buried layer.

Abstract: An integrated circuit includes a substrate. The substrate includes a p-type substrate region, a first n-type region over the p-type substrate region, a second n-type region over the p-type substrate region, a first p-type epitaxial region over the p-type substrate region and between the first and second n-type regions, wherein in a top view the first p-type epitaxial region has a ring-shape top profile, and a p-type doped region within the second n-type region. An isolation structure is over the p-type substrate region, wherein in a cross-sectional view the first p-type epitaxial region extends from a top surface of the p-type substrate region to a bottom surface of the isolation structure. A drain electrode is electrically coupled to the first n-type region. A gate electrode electrically coupled to the p-type doped region. A source electrode is electrically coupled to the second n-type region.

Abstract: A converter includes a substrate, a first transistor, a second transistor, a first gate contact plug, a first source contact plug, a first metal line, and an inductor. The first transistor includes a first gate structure, a first source region, and a first drain region. The second transistor includes a second gate structure, a second source region, and a second drain region. The first gate contact plug is electrically connected to the first gate structure. The first source contact plug is electrically connected to the first source region. The first metal line is in contact with a top surface of the first gate contact plug and a top surface of the first source contact plug. The inductor is electrically connected to the first drain region of the first transistor and the second source region of the second transistor.

Abstract: A PIN diode detector includes a substrate, wherein the substrate includes a pixel region and a peripheral region, and the peripheral region surrounds the pixel region. The PIN diode detector further includes a plurality of PIN diode wells in the pixel region, wherein each of the plurality of PIN diode wells has a first dopant type. The PIN diode detector further includes a plurality of ring wells in the peripheral region, wherein a first ring well of the plurality of ring wells has the first dopant type, and a second ring well of the plurality of ring wells has a second dopant type opposite the first dopant type. The PIN diode detector further includes a blanket doped region, wherein the blanket doped region extends continuously through an entirety of the pixel region and an entirety of the peripheral region, and the blanket doped region has the second dopant type.

Abstract: A PIN diode detector includes a substrate. The PIN diode detector further includes a plurality of PIN diode wells in a pixel region, wherein each of the plurality of PIN diode wells has a first dopant type. The PIN diode detector further includes a connecting ring well and a plurality of floating ring wells in a peripheral region, wherein the connecting ring well and plurality of floating ring wells have the first dopant type. The PIN diode detector further includes a field stop ring well surrounding the plurality of floating ring wells, wherein the field stop ring well has a second dopant type opposite the first dopant type. The PIN diode detector further includes a blanket doped region. The blanket doped region extends continuously through an entirety of the pixel region and an entirety of the peripheral region, and the blanket doped region has the second dopant type.

Abstract: A method for manufacturing a bipolar transistor includes forming a first epitaxial layer on a semiconductor substrate, forming a second epitaxial layer on the first epitaxial layer, forming an oxide layer on the second epitaxial layer, etching the oxide layer to form an opening in which the second epitaxial layer is exposed, and forming a third epitaxial layer in the opening. The first and third epitaxial layers have a first-type conductivity, and the second epitaxial layer has a second-type conductivity.

Abstract: A method for manufacturing compatible vertical double diffused metal oxide semiconductor (VDMOS) transistor and lateral double diffused metal oxide semiconductor (LDMOS) transistor includes: providing a substrate having an LDMOS transistor region and a VDMOS transistor region; forming an N-buried region in the substrate; forming an epitaxial layer on the N-buried layer region; forming isolation regions in the LDMOS transistor region and the VDMOS transistor region; forming a drift region in the LDMOS transistor region; forming gates in the LDMOS transistor region and the VDMOS transistor region; forming PBODY regions in the LDMOS transistor region and the VDMOS transistor region; forming an N-type GRADE region in the LDMOS transistor region; forming an NSINK region in the VDMOS transistor region, where the NSINK region is in contact with the N-buried layer region; forming sources and drains in the LDMOS transistor region and the VDMOS transistor region; and forming a P+ region in the LDMOS transistor region,

Abstract: A method for manufacturing a bipolar transistor includes forming a first epitaxial layer on a semiconductor substrate, forming a second epitaxial layer on the first epitaxial layer, forming an oxide layer on the second epitaxial layer, etching the oxide layer to form an opening in which the second epitaxial layer is exposed, and forming a third epitaxial layer in the opening. The first and third epitaxial layers have a first-type conductivity, and the second epitaxial layer has a second-type conductivity.

Abstract: A method for manufacturing compatible vertical double diffused metal oxide semiconductor (VDMOS) transistor and lateral double diffused metal oxide semiconductor (LDMOS) transistor includes: providing a substrate having an LDMOS transistor region and a VDMOS transistor region; forming an N-buried region in the substrate; forming an epitaxial layer on the N-buried layer region; forming isolation regions in the LDMOS transistor region and the VDMOS transistor region; forming a drift region in the LDMOS transistor region; forming gates in the LDMOS transistor region and the VDMOS transistor region; forming PBODY regions in the LDMOS transistor region and the VDMOS transistor region; forming an N-type GRADE region in the LDMOS transistor region; forming an NSINK region in the VDMOS transistor region, where the NSINK region is in contact with the N-buried layer region; forming sources and drains in the LDMOS transistor region and the VDMOS transistor region; and forming a P+ region in the LDMOS transistor region,