KR20200133744A - 정전 척 장치 및 정전 척 장치의 제조 방법 - Google Patents
정전 척 장치 및 정전 척 장치의 제조 방법 Download PDFInfo
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- KR20200133744A KR20200133744A KR1020207026769A KR20207026769A KR20200133744A KR 20200133744 A KR20200133744 A KR 20200133744A KR 1020207026769 A KR1020207026769 A KR 1020207026769A KR 20207026769 A KR20207026769 A KR 20207026769A KR 20200133744 A KR20200133744 A KR 20200133744A
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 24
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- QIJNJJZPYXGIQM-UHFFFAOYSA-N 1lambda4,2lambda4-dimolybdacyclopropa-1,2,3-triene Chemical compound [Mo]=C=[Mo] QIJNJJZPYXGIQM-UHFFFAOYSA-N 0.000 claims description 15
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- 239000000395 magnesium oxide Substances 0.000 claims description 7
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- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 4
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32715—Workpiece holder
- H01J37/32724—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32715—Workpiece holder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture 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
- H01L21/18—Manufacture 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6831—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using electrostatic chucks
- H01L21/6833—Details of electrostatic chucks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68757—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a coating or a hardness or a material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N13/00—Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect
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- Microelectronics & Electronic Packaging (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
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- Chemical & Material Sciences (AREA)
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Abstract
Description
도 2는 실시예 1의 소결체에 대하여 EPMA 측정에 의하여 얻어진 SEM 화상 및 Mo, Si, C 원소의 면 분석 화상이다.
도 3은 비교예 1의 소결체에 대하여 EPMA 측정에 의하여 얻어진 SEM 화상 및 Mo, Si, C 원소의 면 분석 화상이다.
도 4는 참고예의 소결체에 대하여 EPMA 측정에 의하여 얻어진 SEM 화상 및 Mo, Si, C 원소의 면 분석 화상이다.
Al2O3양 (질량부) |
Mo2C양 (질량부) |
SiC양 (질량부) |
SiO2양 (질량부) |
진공 열처리의 유무 |
|
실시예 1 | 40 | 50 | 10 | - | 유 |
실시예 2 | - | 10 | 유 | ||
비교예 1 | 10 | - | 무 | ||
참고예 | 40 | 60 | - | - | 무 |
최대 페렛 직경 (μm) |
체적 고유 저항률 (×10-5Ωm) |
|
실시예 1 | >50 | 35 |
실시예 2 | >50 | 39 |
비교예 1 | 22 | 185 |
참고예 | 25 | 80 |
11…재치판(기체)
11a…재치면
12…지지판(기체)
13…정전 흡착용 전극
W…판상 시료
Claims (9)
- 일주면이 판상 시료를 재치하는 재치면인 기체와,
상기 기체에 있어서, 상기 재치면과는 반대 측 또는 상기 기체의 내부에 마련된 정전 흡착용 전극을 구비하고,
상기 정전 흡착용 전극은, 절연성을 갖는 매트릭스상과, 상기 매트릭스상보다 체적 고유 저항값이 낮은 분산상을 포함하는 복합 소결체로 이루어지며,
상기 복합 소결체의 임의의 단면에 있어서, 상기 매트릭스상으로 주위가 둘러싸여 독립하는 상기 분산상의 영역은, 최대 페렛 직경이 30μm 이상인 응집부를 포함하고,
상기 응집부는, 상기 임의의 단면에 있어서의 2500μm2의 범위에 있어서 하나 이상 존재하는 정전 척 장치. - 제 1 항에 있어서,
상기 매트릭스상은, 산화 알루미늄을 포함하는 정전 척 장치. - 제 1 항 또는 제 2 항에 있어서,
상기 분산상은, 몰리브데넘, 탄소 및 규소를 포함하는 정전 척 장치. - 제 1 항에 있어서,
상기 정전 흡착용 전극의 두께가, 0.1μm 이상이며 또한 100μm 이하인, 정전 척 장치. - 제 1 항에 있어서,
상기 매트릭스상은, 산화 알루미늄(Al2O3), 산화 이트륨(Y2O3), 이트륨 알루미늄 가닛(YAG), 사마륨 알루미네이트(SmAlO3), 질화 알루미늄(AlN), 질화 규소(Si3N4), 산화 마그네슘(MgO), 산화 칼슘(CaO), 산화 타이타늄(TiO2), 산화 지르코늄(ZrO2) 중 하나 이상으로 이루어지는, 정전 척 장치. - 제 1 항에 있어서,
상기 분산상은, 금속 탄화물 및/또는 금속 규화물로 이루어지는, 정전 척 장치. - 제 1 항에 있어서,
상기 매트릭스상은, 실질적으로 산화 알루미늄으로 이루어지는 정전 척 장치. - 제 1 항에 있어서,
상기 분산상은, 실질적으로 몰리브데넘, 탄소 및 규소로 이루어지는 정전 척 장치. - 제 1 항 내지 제 3 항 중 어느 한 항에 기재된 정전 척 장치의 제조 방법으로서,
산화 알루미늄 입자와, 탄화 몰리브데넘 입자의 혼합물에, 탄화 규소 입자 및 산화 규소 입자 중 어느 일방 또는 양방이 더 첨가된 혼합 입자를 조정하는 공정과,
상기 혼합 입자를 성형하여 성형체를 얻는 공정과,
상기 성형체를, 진공 분위기하, 400℃ 이상 1300℃ 이하로 가열하는 제1 열처리 공정과,
상기 제1 열처리 공정 후에, 상기 성형체를 불활성 가스 분위기하에서 1500℃ 이상으로 가열하는 제2 열처리 공정을 포함하는 정전 척 장치의 제조 방법.
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