KR20110098433A - Paper substrate and the method of manufacturing the same, and semiconductor device and manufacturing method thereof using the same - Google Patents

Paper substrate and the method of manufacturing the same, and semiconductor device and manufacturing method thereof using the same Download PDF

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Publication number
KR20110098433A
KR20110098433A KR1020100018059A KR20100018059A KR20110098433A KR 20110098433 A KR20110098433 A KR 20110098433A KR 1020100018059 A KR1020100018059 A KR 1020100018059A KR 20100018059 A KR20100018059 A KR 20100018059A KR 20110098433 A KR20110098433 A KR 20110098433A
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KR
South Korea
Prior art keywords
paper
metal wiring
wiring layer
manufacturing
semiconductor device
Prior art date
Application number
KR1020100018059A
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Korean (ko)
Inventor
박병은
Original Assignee
서울시립대학교 산학협력단
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Application filed by 서울시립대학교 산학협력단 filed Critical 서울시립대학교 산학협력단
Priority to KR1020100018059A priority Critical patent/KR20110098433A/en
Publication of KR20110098433A publication Critical patent/KR20110098433A/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/20Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/03Use of materials for the substrate
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/03Use of materials for the substrate
    • H05K1/05Insulated conductive substrates, e.g. insulated metal substrate
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/18Printed circuits structurally associated with non-printed electric components

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Thin Film Transistor (AREA)

Abstract

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates generally to substrates used in the manufacture of electronic devices such as electronic devices, semiconductor devices and the like, methods of manufacturing the same, and semiconductor devices manufactured using the substrates described above and methods of manufacturing the same. In the present invention, paper is used as a substrate, and a conductive metal is wired on the paper to form a substrate. At this time, the metal wiring is formed through a vacuum deposition method. Then, other electronic elements are attached or the inorganic or organic layer including the semiconductor layer is laminated on the metal wiring.

Description

Substrate using paper and manufacturing method thereof, and semiconductor device and manufacturing method using same {Paper substrate and the method of manufacturing the same, and semiconductor device and manufacturing method etc using the same}

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates generally to substrates used in the manufacture of electronic devices such as electronic devices, semiconductor devices and the like, methods of manufacturing the same, and semiconductor devices manufactured using the substrates described above and methods of manufacturing the same.

In the case of a semiconductor element such as a transistor or a memory, it is manufactured by a method of forming a plurality of wiring layers or inorganic layers on a substrate such as silicon. However, in order to make such a silicon substrate, after growing the silicon to have a certain direction to make an ingot, a complicated process of cutting and mirror-processing it is required, there is a problem that takes a lot of manufacturing time and cost.

Meanwhile, Korean Patent Application Nos. 10-2007-0030811 and 10-2009-0014155 disclose a method of manufacturing an electronic device through a method of forming various wiring layers by using an electrophotography technique on paper, coated paper or plastic. There is a bar.

However, the above-described method is difficult to form nanoscale wiring because the printing is carried out by attaching toner to the drum after charging the drum, and the toner previously adhered to the drum is completely removed when forming another wiring layer. There is a problem in that it is not suitable for manufacturing a precision device such as a semiconductor device because it acts as a contaminant without being removed.

Accordingly, the present invention has been made in view of the above circumstances, and an object thereof is to provide a substrate suitable for the manufacture of an electronic device or a semiconductor device and a method of manufacturing the same using an eco-friendly and inexpensive paper.

Another object of the present invention is to provide a semiconductor device using paper as a substrate and a method of manufacturing the same.

The substrate using the paper according to the first aspect of the present invention for realizing the above object comprises a paper and a metal wiring layer formed on the paper, characterized in that the metal wiring layer is vacuum deposited on the paper.

In addition, the paper is characterized in that the heat treatment in a vacuum or inert gas or nitrogen gas atmosphere.

In addition, an electronic device is attached on the metal wiring layer.

In addition, the method of manufacturing a substrate using paper according to the second aspect of the present invention comprises the steps of preparing a paper, and forming a metal wiring layer made of a conductive metal on the paper through a vacuum deposition method It is done.

In addition, the paper is heat-treated prior to the vacuum deposition in a vacuum or inert gas or nitrogen gas atmosphere.

In addition, the metal wiring layer is formed using a mask.

A semiconductor device using paper according to a third aspect of the present invention includes a paper, a metal wiring layer vacuum deposited on the paper, a semiconductor layer formed on the metal wiring layer, and an inorganic or organic material layer formed on the metal wiring layer. It is characterized in that the configuration.

In addition, the paper is characterized in that the heat treatment in a vacuum or inert gas or nitrogen gas atmosphere.

A method of manufacturing a semiconductor device using paper according to a fourth aspect of the present invention includes the steps of preparing a paper, forming a metal wiring layer made of a conductive metal on the paper through a vacuum deposition method, and a semiconductor above the metal wiring layer. Forming a layer, and forming an inorganic material or an organic material layer on the metal wiring layer.

In addition, the paper is heat-treated prior to the vacuum deposition in a vacuum or inert gas or nitrogen gas atmosphere.

In addition, the metal wiring layer is formed using a mask.

The method may further include coating a moisture resistant film on the outside of the semiconductor device.

According to the present invention having the above-described configuration, it is possible to implement an electronic device or a semiconductor device by forming various inorganic layers and organic material layers on paper or attaching necessary devices on metal wiring. Therefore, it is possible to manufacture an electronic device or a semiconductor device at a very low cost compared to the prior art.

In addition, when the product is disposed of, the material formed on the paper can be easily recovered by removing the moisture resistant coating and then burning the paper or immersing the product in water to remove the paper.

1 is a cross-sectional view showing the structure of a transistor formed by the present invention as an example of a semiconductor device according to the present invention.
2 is a cross-sectional view showing a structure of a memory device formed by the present invention as an example of a semiconductor device according to another embodiment of the present invention.

Hereinafter, embodiments according to the present invention will be described with reference to the drawings. In addition, the embodiments described below show one preferred embodiment of the present invention, and examples of such embodiments are not intended to limit the scope of the present invention. The present invention can be practiced in various ways without departing from the basic concept of the invention.

In the present invention, the term "paper" includes any type of paper made from a main material of the pulp, and the present invention may be used in which a heat-resistant coating material is applied to the paper in addition to the general paper. In addition, in the present invention, the substrate refers to a wiring pattern formed on the substrate.

In this invention, the board | substrate which can be used for manufacture of an electronic device is produced through the method of forming a wiring pattern using a conductive metal in paper. The vacuum deposition method is adopted for formation of the wiring pattern.

First, a mask suitable for the wiring pattern to be formed on paper is prepared. Then, a wiring pattern is formed on the paper by vacuum depositing a conductive metal such as gold (Au), platinum (Pt), or silver (Ag) on the paper using the mask.

At this time, as a method of forming the wiring pattern, a method of applying an insulating material on the unused part after applying the conductive metal on the paper or applying the conductive metal on the paper as a whole or by applying the conductive metal on the paper as a whole is also adopted. can do.

On the other hand, when the metal is vacuum-deposited on the paper, when moisture or air is contained in the tissue of the paper, the paper may be burned by the heat applied during the deposition. Therefore, prior to vacuum deposition, the paper is heat-treated in a vacuum state or inert gas such as argon (Ar), neon (Ne), or nitrogen (N) gas atmosphere to remove moisture or air contained in the paper. .

After the substrate is produced according to the method described above, an element necessary for the wiring pattern on paper is attached using a conductive adhesive or another suitable wiring layer or material layer is laminated, and finally, the entire structure is applied using a moisture resistant resin film or the like. This completes the desired product.

The substrate according to the present invention can be effectively used to make semiconductor devices such as RF ID tags, transistors, memories, sensors, and the like.

Since the substrate according to the present invention is composed of paper, which is an environmentally friendly material, does not cause environmental pollution, and when the device is later destroyed, the paper is burned by applying heat to the product or the product in water for a predetermined time. By immersing and removing the paper, the metal or the like adhered on the paper can be easily recovered.

1 is a cross-sectional view showing the structure of a semiconductor device according to the present invention using paper as a substrate, which shows the structure when a transistor is manufactured as a semiconductor device.

First, the paper 1 is prepared as a board | substrate. At this time, the paper 1 is heat-treated as necessary under vacuum or inert gas such as argon (Ar), neon (Ne) or nitrogen (N) gas atmosphere.

Subsequently, a metal wiring made of a conductive metal such as gold (Au), platinum (Pt), silver (Ag) or the like is formed on the paper 1 through a vacuum deposition method using a mask. At this time, the metal wiring 2 is formed as a gate electrode of the transistor.

Next, an insulating layer 3, such as a nitride film, is formed on the metal wiring 2, for example, pentacene, etc. are deposited on the insulating layer 3, and the semiconductor layer 4 is formed on the insulator layer 3. ), And the drain electrode 5 and the source electrode 6 made of metal or conductive organic material are formed on the semiconductor layer 4.

And finally, the device is completed by covering the entire structure with a moisture resistant film or the like.

In the transistor shown in FIG. 1, when a voltage is applied to the gate electrode 2, a channel is formed or not formed in the semiconductor layer 4 so that a current flows or is blocked between the drain electrode 5 and the source electrode 6.

Fig. 2 is a cross-sectional view showing another structure of the semiconductor device according to the present invention using paper as a substrate, which shows the structure when a ferroelectric memory device is manufactured as a semiconductor device.

Also in FIG. 2, the paper 21 is used as a base material. In this case, the paper 21 may be vacuum-treated or heat-treated in an inert gas such as argon (Ar), neon (Ne), or nitrogen (N) gas atmosphere as necessary.

On the paper 21, a metal wiring 22 made of a conductive metal such as gold (Au), platinum (Pt), silver (Ag), or the like is formed through a vacuum deposition method using a mask. This metal wiring 22 is provided as a gate electrode.

The ferroelectric layer 23 is formed on the metal wiring 22. Examples of the ferroelectric material forming the ferroelectric layer 23 include inorganic materials such as PZT, organic materials such as PVDF, inorganic ferroelectric materials and organic or organic ferroelectric materials, inorganic ferroelectric materials and metals, preferably iron (Fe). Mixtures and the like are used. In the case of the inorganic ferroelectric material is formed through a vacuum deposition method using a mask, in the case of the organic ferroelectric material is formed using a spin coating method or the like.

Subsequently, a semiconductor layer 24 such as, for example, pentacene is formed while covering the metal wiring 22 and the ferroelectric layer 23 as a whole, and the drain electrode composed of a metal or a conductive organic material on the semiconductor layer 24 ( 25 and source electrode 26 are formed.

And finally, the device is completed by covering the entire structure with a moisture resistant film or the like.

The structure is a memory device having a 1T (1-Transistor) structure. In the above structure, the ferroelectric layer 23 has a polarization value according to the voltage applied to the gate electrode 2, and a channel is selectively formed in the semiconductor layer 24 according to the polarization value of the ferroelectric layer 23, thereby draining the drain electrode. The 25 and the source electrode 26 are set to a conductive or non-conductive state.

The data "0" or "1" is recognized according to the on / off state of the transistor.

Of course, the memory device formed on the paper 21 may employ a conventional 1T-1C structure in addition to the above-described 1T structure. In other words, the currently known general memory device may be implemented.

The present invention has been described above. According to the present invention described above, it is possible to implement an electronic device or a semiconductor device by forming various inorganic layers and organic layers on paper or attaching necessary devices on a metal wiring.

When the product is disposed of, the material formed on the paper can be easily recovered by removing the moisture resistant coating and then burning the paper or immersing the product in water to remove the paper.

In addition, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the technical spirit of the present invention.

1, 21: paper, 2, 22: metal wiring,
4, 24: semiconductor layer, 4, 25: drain electrode,
5, 26: source electrode, 23: ferroelectric layer.

Claims (12)

Paper,
It comprises a metal wiring layer formed on the paper,
The metal wiring layer is a substrate using a paper, characterized in that the vacuum deposition on the paper.
The method of claim 1,
The paper is a substrate using a paper, characterized in that the heat treatment in a vacuum or inert gas or nitrogen gas atmosphere.
The method of claim 1,
A substrate using paper, wherein an electronic device is attached to the metal wiring layer.
Preparing the paper,
Forming a metal wiring layer made of a conductive metal on the paper by a vacuum deposition method.
The method of claim 4, wherein
A method of manufacturing a substrate using paper, characterized in that the paper is heat-treated in a vacuum state or inert gas or nitrogen gas atmosphere prior to the vacuum deposition.
The method of claim 4, wherein
And said metal wiring layer is formed using a mask.
Paper,
A metal wiring layer vacuum deposited on the paper,
A semiconductor layer formed on the metal wiring layer;
A semiconductor device using paper, comprising an inorganic material or an organic material layer formed above the metal wiring layer.
The method of claim 7, wherein
The paper is a semiconductor device using a paper, characterized in that the heat treatment in a vacuum or inert gas or nitrogen gas atmosphere.
Preparing the paper,
Forming a metal wiring layer made of a conductive metal on the paper through a vacuum deposition method,
Forming a semiconductor layer on the metal wiring layer;
And forming an inorganic or organic layer on the upper side of the metal wiring layer.
10. The method of claim 9,
A method of manufacturing a semiconductor device using paper, wherein the paper is heat-treated in a vacuum state or in an inert gas or nitrogen gas atmosphere prior to the vacuum deposition.
10. The method of claim 9,
And said metal wiring layer is formed using a mask.
10. The method of claim 9,
A method for manufacturing a semiconductor device using paper, the method comprising the step of coating a moisture resistant film on the outside of the semiconductor device.
KR1020100018059A 2010-02-26 2010-02-26 Paper substrate and the method of manufacturing the same, and semiconductor device and manufacturing method thereof using the same KR20110098433A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100018059A KR20110098433A (en) 2010-02-26 2010-02-26 Paper substrate and the method of manufacturing the same, and semiconductor device and manufacturing method thereof using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100018059A KR20110098433A (en) 2010-02-26 2010-02-26 Paper substrate and the method of manufacturing the same, and semiconductor device and manufacturing method thereof using the same

Publications (1)

Publication Number Publication Date
KR20110098433A true KR20110098433A (en) 2011-09-01

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