Semiconductor integrated device
First Claim
1. A semiconductor integrated apparatus, comprising:
- an SOI (Silicon On Insulator) substrate which has a support substrate and an embedded insulation film;
an NMOSFET, a PMOSFET and an FBC (Floating Body Cell) formed on the SOI substrate separately from each other;
a p type of first well diffusion region formed along the embedded insulation film in the support substrate below the NMOSFET;
an n type of second well diffusion region formed along the embedded insulation film in the support substrate below the PMOSFET; and
a conduction type of third well diffusion region formed along the embedded insulation film in the support substrate below the FBC.
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Accused Products
Abstract
A semiconductor integrated apparatus, comprising: an SOI (Silicon On Insulator) substrate which has a support substrate and an embedded insulation film; an NMOSFET, a PMOSFET and an FBC (Floating Body Cell) formed on the SOI substrate separately from each other; a p type of first well diffusion region formed along the embedded insulation film in the support substrate below the NMOSFET; an n type of second well diffusion region formed along the embedded insulation film in the support substrate below the PMOSFET; and a conduction type of third well diffusion region formed along the embedded insulation film in the support substrate below the FBC.
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Citations
14 Claims
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1. A semiconductor integrated apparatus, comprising:
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an SOI (Silicon On Insulator) substrate which has a support substrate and an embedded insulation film;
an NMOSFET, a PMOSFET and an FBC (Floating Body Cell) formed on the SOI substrate separately from each other;
a p type of first well diffusion region formed along the embedded insulation film in the support substrate below the NMOSFET;
an n type of second well diffusion region formed along the embedded insulation film in the support substrate below the PMOSFET; and
a conduction type of third well diffusion region formed along the embedded insulation film in the support substrate below the FBC. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A semiconductor integrated apparatus, comprising:
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an SOI (Silicon On Insulator) substrate which has a conduction type of support substrate and an embedded insulation film;
a first well diffusion region which contacts a lower surface of the embedded insulation film;
a first and a second diffusion regions having conduction types different from each other, which are formed in the first well diffusion region separate from each other, and which contacts and are formed below the embedded insulation film;
a third diffusion region, which contacts and is formed below the embedded insulation film;
a first contact which extends upward from the first diffusion region by passing through the embedded insulation film;
a second contact which extends upward from the second diffusion region by passing through the embedded insulation film;
a third contact which extends upward from the third diffusion region by passing through the embedded insulation film;
a base electrode connected to the first contact;
an emitter electrode connected to the second contact; and
a collector electrode connected to the third contact. - View Dependent Claims (10, 11)
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12. A semiconductor integrated apparatus, comprising:
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an SOI (Silicon On Insulator) substrate which has a support substrate and an embedded insulation film;
a first conduction type of first diffusion region which contacts and is formed below the embedded insulation film;
a second conduction type of second diffusion region which contacts a lower surface of the embedded insulation film, and is formed separately from the first diffusion region;
a first conduction type of third well diffusion region which contacts the lower surface of the embedded insulation film, and is formed deeper than the first and second diffusion regions;
a first conduction type of fourth well diffusion region which contacts the lower surface of the embedded insulation film, and is formed deeper than the first and the second diffusion regions;
a first conduction type of fifth well diffusion region formed in contact with the third and fourth well diffusion regions;
a second conductive type of sixth well diffusion region which covers the first and second diffusion regions, and is positioned in a region separate from the support substrate by the third, fourth and fifth well diffusion regions;
a first contact which extends upward from the first diffusion region by passing through the embedded insulation film;
a second contact which extends upward from the second diffusion region by passing through the embedded insulation film;
a third contact which extends upward from the third well diffusion region by passing through the embedded insulation film;
a fourth contact which extends upward from the fourth well diffusion region by passing through the embedded insulation film;
a cathode electrode connected to the first contact;
an anode electrode connected to the second contact; and
a power supply terminal connected to the third and fourth contacts. - View Dependent Claims (13, 14)
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Specification