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Thin-film transistor applied to three-dimensional on-chip integration system and manufacturing method of thin film transistor

An on-chip integrated system, thin film transistor technology, applied in transistors, semiconductor/solid-state device manufacturing, electric solid-state devices, etc., can solve problems such as limiting system performance, and achieve the effect of reducing costs and enhancing functions

Active Publication Date: 2012-06-06
ZHEJIANG JUEXIN MICROELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with SIP, the performance of 3D IC has been improved, but there are great challenges to substrate thinning, mainly because the actual process is difficult to thin down to a size below 10 μm, which limits the further improvement of system performance

Method used

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  • Thin-film transistor applied to three-dimensional on-chip integration system and manufacturing method of thin film transistor
  • Thin-film transistor applied to three-dimensional on-chip integration system and manufacturing method of thin film transistor
  • Thin-film transistor applied to three-dimensional on-chip integration system and manufacturing method of thin film transistor

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Embodiment Construction

[0068] It can be seen from the background art that integrated circuits or integrated circuit systems have been seeking to reduce costs, reduce power consumption, enhance functions, and increase density. At present, the low-temperature deposition technology of low-temperature amorphous / polycrystalline germanium and silicon-germanium materials on semiconductors, dielectrics, and metals is applied to MEMS technology that is fully compatible with CMOS. At the same time, the low-temperature activation of doped germanium and germanium-silicon materials can also be fully compatible with CMOS technology. At the same time, the realization of the deposition and activation of low-temperature silicon-germanium materials makes it possible for the silicon-germanium TFT technology suitable for three-dimensional SOC systems. Therefore, based on the low-temperature deposition and low-temperature activation characteristics of germanium and germanium-silicon amorphous / polycrystalline, the presen...

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Abstract

The invention provides a thin-film transistor applied to a three-dimensional on-chip integration system and a manufacturing method of the thin film transistor. The thin-film transistor is positioned on a semiconductor structure; the semiconductor structure comprises a semiconductor substrate, a semiconductor device layer and at least one layer of local / global interconnection metal layer, wherein the semiconductor device layer is formed on the semiconductor substrate; the local / global interconnection metal layer is positioned on the semiconductor device layer; and the thin-film transistor comprises a grid electrode, a source electrode and a drain electrode which are made of semiconductor materials. According to the invention, the cost of an SOC (System On a Chip) can be reduced and the function of the SOC can be enhanced.

Description

technical field [0001] The invention relates to the technical field of semiconductor manufacturing, in particular to a TFT (thin-film-transistor, thin-film-transistor) applied to a three-dimensional SOC (system on chip, integrated system on chip) and a manufacturing method thereof. Background technique [0002] With the rapid development and wide application of information technology and semiconductor technology, since the invention of integrated circuit technology, it has been developing in the direction of improving device system performance and reducing unit function cost. As stated by Moore's Law, the size of integrated circuit chips doubles every 1.5 years, while the area of ​​individual basic devices decreases to 1 / 2 of its original size. The basic devices of integrated circuits can be divided into active devices and passive devices. Active devices mainly include MOS (metal-oxide-semiconductor) devices, bipolar devices and the most basic diodes, and passive devices ma...

Claims

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Application Information

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IPC IPC(8): H01L29/786H01L27/04H01L21/336H01L21/8232H01L21/76H01L21/768H01L21/60H01L21/50
CPCH01L2924/0002H01L2924/00
Inventor 王志玮唐德明
Owner ZHEJIANG JUEXIN MICROELECTRONICS CO LTD
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