WO2005010968A1 - 二次元パターニング方法ならびにそれを用いた電子デバイスおよび磁気デバイスの作製方法 - Google Patents
二次元パターニング方法ならびにそれを用いた電子デバイスおよび磁気デバイスの作製方法 Download PDFInfo
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- WO2005010968A1 WO2005010968A1 PCT/JP2004/011025 JP2004011025W WO2005010968A1 WO 2005010968 A1 WO2005010968 A1 WO 2005010968A1 JP 2004011025 W JP2004011025 W JP 2004011025W WO 2005010968 A1 WO2005010968 A1 WO 2005010968A1
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- WIPO (PCT)
- Prior art keywords
- dimensional
- patterning method
- pattern
- substrate
- blisters
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
Definitions
- the invention of this application relates to a two-dimensional patterning method and a method for manufacturing an electronic device and a magnetic device using the method. More specifically, the invention of this application is a new two-dimensional patterning technology that enables two-dimensional patterning without the use of photosensitizers or ion milling, which is useful for microfabrication technology and the fabrication of electrical, semiconductor, and magnetic devices.
- the present invention relates to a method for manufacturing a semiconductor device and a method for manufacturing a new electronic device and a magnetic device using the same. Background art
- lithography technology there have been devised a method of applying a photosensitive agent and then exposing the photosensitive agent with light or electrons using a mask, or a method of directly exposing the photosensitive agent with a focused electron beam.
- Non-Patent Documents 1 and 2 etching is performed using a photoresist pattern formed by these lithography techniques as a mask, and a circuit pattern such as fine electrodes and wiring can be formed on the wafer surface.
- ion milling which uses a focused ion beam (FIB) to directly carve a substrate finely (for example, see Non-Patent Documents 3, 4, and 5).
- FIB focused ion beam
- Non-Patent Document 1 M. Rothschild and D. J. Ehrlich, J. Vac. Sc i.
- Non-patent document 2 A. Heuberger, J. Vac.
- Non-patent document 3 R. L. Kubena et al., J. Vac. Sc i. Tech.
- Non-patent document 4 T. Ishitan iet al., Jpn. J. Appl. Phys.
- Non-Patent Document 5 P. Sudraud et al., J. Vac. Sc i. Tech.
- the invention of this application is based on a new two-dimensional patterning method that enables two-dimensional patterning without using photosensitizer ion milling, and a new electronic device using the same.
- Another object of the present invention is to provide a method for manufacturing a magnetic device.
- a two-dimensional pattern is formed by destroying a blister disposed on a substrate by electron irradiation, thereby forming a two-dimensional pattern.
- a two-dimensional pattern is formed by forming a two-dimensional pattern by destroying the blister placed on the substrate by ion irradiation. Provide a method of logging.
- a film is formed from a blister disposed on a substrate, and the formed film is destroyed and removed by electron irradiation or ion irradiation to remove the unblown clean surface.
- a two-dimensional patterning method characterized by forming a two-dimensional pattern.
- a surface reaction is performed from above the blisters arranged on the substrate, and the blisters and the reacted film are destroyed and removed by electron irradiation or ion irradiation to remove unreacted clean surfaces.
- a two-dimensional patterning method characterized by forming a two-dimensional pattern is provided.
- a film is formed from the top of the bliss placed on the substrate, and the formed bristles are destroyed and removed by electron irradiation or ion irradiation, and further protected by the bliss. It is characterized in that a two-dimensional pattern is formed by forming a film on the surface from which the blister has been destroyed and removed using the difference in the adsorption probability between the substrate surface that has been protected and the surface that has not been protected. To provide a two-dimensional training method.
- a surface reaction is performed from above the blisters placed on the substrate, and the blisters together with the reacted film are destroyed and removed by electron irradiation or ion irradiation.
- the two-dimensional pattern is characterized by forming a two-dimensional pattern by performing a chemical reaction on the surface from which the blister has been destroyed and removed by utilizing the difference in reactivity with the unprotected surface.
- the present invention provides a two-dimensional patterning method, wherein the substrate is a silicon substrate or a metal substrate.
- the present invention provides a two-dimensional passing method characterized in that the bristles are formed by hydrogen ion irradiation, deuterium ion irradiation, or helium ion irradiation.
- a tenth aspect provides a two-dimensional patterning method characterized by forming the blister having a patterned arrangement by using a focused ion beam.
- the first feature is that the irradiation ions are one of Ar +, K r + , and X e +.
- a twelfth aspect provides a two-dimensional patterning method, wherein the two-dimensional pattern is a pattern of atomic species of surface constituting atoms.
- a thirteenth aspect provides a two-dimensional patterning method, wherein the two-dimensional pattern is a pattern of a difference in film formation below a surface.
- the present invention provides a two-dimensional patterning method, wherein the two-dimensional pattern is a pattern having electrical characteristics.
- a two-dimensional patterning method wherein the two-dimensional pattern is a reactive pattern.
- a sixteenth aspect provides a two-dimensional patterning method, wherein the two-dimensional pattern is an affinity pattern.
- a seventeenth aspect provides a two-dimensional patterning method, wherein the two-dimensional pattern is a hydrophilic or hydrophobic pattern.
- the eighteenth aspect provides a method for manufacturing an electronic device, characterized by using the two-dimensional patterning method.
- a nineteenth aspect provides a method for manufacturing a magnetic device, characterized by using the two-dimensional patterning method.
- FIGS. 1A to 1D are diagrams for explaining two-dimensional patterning using a blister according to the invention of this application.
- Figure 2 shows (a) to (c) each of the SEM images actually observed. It is a photograph taken.
- FIG. 3 is a schematic view illustrating another embodiment of the invention of this application.
- FIG. 4 is a schematic view illustrating another embodiment of the invention of this application.
- FIG. 5 is a schematic view illustrating another embodiment of the invention of this application.
- FIG. 6 is a schematic view illustrating another embodiment of the invention of this application.
- FIG. 7 is a schematic view illustrating another embodiment of the invention of this application. The symbols in the figure indicate the following.
- FIGS. 1 (a) to 1 (d) are diagrams for explaining two-dimensional parsing using Bliss Yuichi according to the invention of this application.
- the vertical scale is emphasized for convenience.
- gas ions (2) with low solubility such as hydrogen ions, deuterium ions, and helium ions
- a substrate (1) such as a silicon substrate or a metal substrate
- gas ions (2) accumulate in a fixed depth range within 1), forming a dome-shaped bulge called a blister (3) (see Fig. 1 (b)).
- An oxide film (4) is formed on the surface (see Fig. 1 (c)).
- electron beam / ion (5) hereinafter abbreviated as electron beam / ion (5)
- the blister (3) is destroyed and peels off together with the oxide film (4) (see Fig. 1 (d)). Where Buri Yuichi (3) has peeled off, a clean substrate (1) surface appears.
- the level difference between the surface of the non-peeled part, that is, the oxidized surface (6) and the surface of the peeled part, that is, the clean surface (7) is due to the electron species of the irradiated electron beam and ions (5), ion species, electron energy, Determined by ion energy and incident angle.
- the area of the peeled part and the number density of the peeled part can be adjusted by the irradiation amount of the electron beam / ion (5).
- a blister (3) having a patterned arrangement is formed by performing ion irradiation by selecting a region using a mask or by performing a focused ion beam irradiation, and regularly separating the blister. It is also possible.
- the ion (5) to be irradiated for example, A r +, K r +, can be considered like Xe +.
- blisters of several microns in size were formed by H + irradiation. After that, when an electron beam with energy of 5 keV was irradiated at a current density of 4 mA / cm 2 for about 1 minute, it was observed that the blisters that received the energy peeled off as shown in Fig. 2 (a) ( (See “peeled part” in the figure).
- the size of the peeled part is equal to the size of the blister, and is about several microns.
- the implanted H + is distributed at a depth of about 0.1 micron. Therefore, the step between the substrate surface and the peeled portion can be estimated to be about 0.1 ⁇ m.
- Figure 2 (b) shows the elemental mapping visualizing the 0 (KLL) Auger peak (510 eV) intensity
- Figure 2 (c) shows the mapping based on the Si (LVV) orange peak (96 eV).
- FIG. 3 can be manufactured when depositing S i (8) after separating the Bliss evening one, a structure sandwiching the S i 0 2 is an electrical insulating layer by locally S i . This makes it possible to create electrical conduction paths between silicon thin films and substrate silicon in SOI (Silicon-on-Insulator) structures.
- SOI Silicon-on-Insulator
- the deposition species is metal (9)
- the metal electrode pattern in a metal-oxide-silicon (MOS) transistor is obtained.
- the selectivity of the adsorption reaction that is, the adsorption probability or reactivity between the substrate surface protected by the blister and the unprotected substrate surface is used, for example, as shown in FIG.
- a two-dimensional pattern can be formed by depositing foreign atoms (11) after forming an oxide film (4).
- the irregularities at these times can be suppressed to 0.1 ⁇ m or less, and patterning as close to a plane as possible can be achieved.
- an electronic device or a magnetic device having a good pattern can be manufactured.
- two-dimensional patterns that can be formed include patterns of atomic species of surface constituent atoms, patterns of differences in film formation below the surface, patterns of electrical characteristics, and affinity such as hydrophilicity and hydrophobicity. Typical patterns of reactivity are listed. In particular, it can be said that the invention of this application, in which no impurities remain, is useful for hydrophilic or hydrophobic patterns.
- two-dimensional patterning that does not use a photosensitizer or ion milling can be realized, and the pattern is formed only by the material of the substrate, the material of the film formation, and ions and electrons of the insoluble gas. Microfabrication And the effect of contamination by impurities can be eliminated because there is no foreign atom intervention.
- the etching depth can be adjusted, making it possible to perform very thin etching.It is also possible to produce patterns that are as flat as possible and have an unevenness value of 0.1 micron or less. It is possible.
- a new two-dimensional patterning method that enables two-dimensional patterning without using a photosensitive agent or ion milling, and fabrication of new electronic and magnetic devices using the same. A method is provided.
- Two-dimensional scanning can be realized without impurities such as chemicals, which are indispensable in conventional lithography technology. This prevents contamination of impurities and enables device fabrication in a clean environment. Further, since the application and removal of the photosensitizer and the etching step can be omitted, the cost can be reduced by simplifying the production. By reducing the number of processes, all operations can be performed in one vacuum container, leading to space saving.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/566,158 US7495238B2 (en) | 2003-07-29 | 2004-07-27 | Two-dimensional patterning method, electronic device using same, and magnetic device fabricating method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-282196 | 2003-07-29 | ||
| JP2003282196A JP4405201B2 (ja) | 2003-07-29 | 2003-07-29 | 二次元パターニング方法ならびにそれを用いた電子デバイスの作製方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005010968A1 true WO2005010968A1 (ja) | 2005-02-03 |
Family
ID=34101001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/011025 Ceased WO2005010968A1 (ja) | 2003-07-29 | 2004-07-27 | 二次元パターニング方法ならびにそれを用いた電子デバイスおよび磁気デバイスの作製方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7495238B2 (ja) |
| JP (1) | JP4405201B2 (ja) |
| WO (1) | WO2005010968A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100583390B1 (ko) | 2005-03-17 | 2006-05-26 | 한국과학기술원 | 에스오엔 모스 전계 효과 트랜지스터 및 그 제조 방법 |
| US9627211B2 (en) * | 2012-09-18 | 2017-04-18 | Applied Materials, Inc. | Tape assisted single step peel-off on sin layer above metal electrodes |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001011930A2 (en) * | 1999-08-10 | 2001-02-15 | Silicon Genesis Corporation | A cleaving process to fabricate multilayered substrates using low implantation doses |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7038290B1 (en) * | 1965-09-28 | 2006-05-02 | Li Chou H | Integrated circuit device |
| JPS63198348A (ja) * | 1987-02-13 | 1988-08-17 | Mitsubishi Electric Corp | 膨れ層膜の膜種判定方法 |
| US5660957A (en) * | 1996-05-16 | 1997-08-26 | Fujitsu Limited | Electron-beam treatment procedure for patterned mask layers |
| CA2246087A1 (en) * | 1998-08-28 | 2000-02-28 | Northern Telecom Limited | Method of cleaving a semiconductor wafer |
| CA2246084A1 (en) * | 1998-08-28 | 2000-02-28 | Todd William Simpson | Method of patterning semiconductor materials and other brittle materials |
| US6407399B1 (en) * | 1999-09-30 | 2002-06-18 | Electron Vision Corporation | Uniformity correction for large area electron source |
-
2003
- 2003-07-29 JP JP2003282196A patent/JP4405201B2/ja not_active Expired - Lifetime
-
2004
- 2004-07-27 WO PCT/JP2004/011025 patent/WO2005010968A1/ja not_active Ceased
- 2004-07-27 US US10/566,158 patent/US7495238B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001011930A2 (en) * | 1999-08-10 | 2001-02-15 | Silicon Genesis Corporation | A cleaving process to fabricate multilayered substrates using low implantation doses |
Non-Patent Citations (4)
| Title |
|---|
| HUANG, L.J. ET AL.: "Onset of blistering in hydrogen-implanted silicon", APPLIED PHYSICS LETTERS, vol. 74, no. 7, February 1999 (1999-02-01), pages 982 - 984, XP012023275 * |
| IGARASHI, S. ET AL.: "In-situ observation of surface blistering in silicon by deuterium and helium ion irradiation", SURFACE AND COATINGS TECHNOLOGY, vol. 158, September 2002 (2002-09-01), pages 421 - 425, XP002904510 * |
| NAKAYAMA, K. ET AL.: "Electron-Stimulated Modification of Si Surface", PHYSICAL REVIEW LETTERS, vol. 82, no. 5, February 1999 (1999-02-01), pages 980 - 983, XP002904511 * |
| NARUSHIMA, T.: "Denshhi Shosha ni yoru Silicon Hyomen Oryoku no Kanwa", HYOMEN KAGAKU, vol. 22, no. 9, 10 September 2001 (2001-09-10), pages 614 - 619, XP002985627 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005051081A (ja) | 2005-02-24 |
| JP4405201B2 (ja) | 2010-01-27 |
| US20060211258A1 (en) | 2006-09-21 |
| US7495238B2 (en) | 2009-02-24 |
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