Insulated gate tunneling bipolar transistor with U-shaped tunneling insulating layer and manufacturing process

A technology for tunneling insulating layers and bipolar transistors, applied in semiconductor/solid-state device manufacturing, semiconductor devices, electrical components, etc., can solve the problem of increasing process difficulty, increasing production costs, and not essentially improving the tunneling probability of silicon materials and other issues to achieve excellent switching characteristics and improve the effect of forward conduction current
CN104485353AInactive Publication Date: 2015-04-01SHENYANG POLYTECHNIC UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENYANG POLYTECHNIC UNIV
Publication Date
2015-04-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an insulated gate tunneling bipolar transistor with a U-shaped tunneling insulating layer. A gate electrode tunneling current is generated by the U-shaped tunneling insulating layer, and the very sensitive mutual relation between impedance of the tunneling insulating layer and intensity of an internal electric field of the tunneling insulating layer is utilized to enable the U-shaped tunneling insulating layer to implement conversion between a high impedance state and a low impedance state in a very short electric potential change interval of a gate electrode, and thus, compared with the prior art, the insulated gate tunneling bipolar transistor can realize a better switching characteristic; by bipolar amplification, the positive conduction characteristic of a nanoscale insulated gate transistor is obviously improved. The invention also discloses a specific manufacturing method of the insulated gate tunneling bipolar transistor with the U-shaped tunneling insulating layer. Therefore, the working characteristic of a nanoscale integrated circuit unit is obviously improved, and the insulated gate tunneling bipolar transistor and the manufacturing method are suitable for being popularized and applied.
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Description

Technical field:

[0001] The invention relates to the field of ultra-large-scale integrated circuit manufacturing, and relates to a structure and a manufacturing process of an insulated gate tunneling bipolar transistor with a U-shaped tunneling insulating layer suitable for manufacturing high-performance ultra-high integrated integrated circuits. Background technique:

[0002] At present, the continuous shortening of the channel length of metal-oxide-semiconductor field-effect transistors (MOSFETs) in integrated circuit units leads to the deterioration of switching characteristics of the devices and the obvious increase of static power consumption. Although the degradation of the performance of the device can be alleviated by improving the structure of the gate electrode, when the size of the device is further reduced, the performance of the device will deteriorate again.

[0003] In order to solve the problem of physical size limit of MOSFETs devices, Tunneling Field Effect...

Claims

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