WO2002097872A1 - Procede de production d'une tranche de semi-conducteur et suscepteur utilise a cet effet - Google Patents
Procede de production d'une tranche de semi-conducteur et suscepteur utilise a cet effet Download PDFInfo
- Publication number
- WO2002097872A1 WO2002097872A1 PCT/JP2002/005276 JP0205276W WO02097872A1 WO 2002097872 A1 WO2002097872 A1 WO 2002097872A1 JP 0205276 W JP0205276 W JP 0205276W WO 02097872 A1 WO02097872 A1 WO 02097872A1
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- WO
- WIPO (PCT)
- Prior art keywords
- wafer
- susceptor
- counterbore
- single crystal
- semiconductor wafer
- Prior art date
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Classifications
-
- 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
- H01L21/6875—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 plurality of individual support members, e.g. support posts or protrusions
-
- 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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67103—Apparatus for thermal treatment mainly by conduction
Definitions
- the present invention relates to a semiconductor wafer manufacturing method for mounting a silicon single crystal wafer on a susceptor and performing a heat treatment to manufacture a semiconductor wafer, and a susceptor used for the method.
- the wafer is subjected to various heat treatments by various devices.
- the main methods of placing the wafer in such a device include a method of supporting the peripheral portion of the wafer and arranging the wafer in the device in an upright state, and a method of supporting the back side of the wafer and mounting the wafer inside the device.
- the susceptor In the latter method, when the heat treatment is, for example, gas phase growth, a single wafer type apparatus in which one wafer is placed on a susceptor for processing, and a pancake type in which a plurality of wafers are arranged on a susceptor at a time for processing.
- a device called a barrel type cylinder type
- cylinder type cylinder type
- circular depressions spots
- This counterbore is generally formed of carbon coated with silicon carbide. The diameter and depth of the counterbore are determined by the diameter and thickness of the wafer to be treated, and by heat treatment applied to the wafer such as vapor phase growth. The design is made in consideration of the conditions to be made appropriately.
- a grid-like groove is formed on the surface of the counterbore bottom as shown in Fig. 1A. It is notched and formed into a shape in which a large number of trapezoidal projections are arranged.
- the wafer is placed on the bottom of the counterbore, the wafer is supported from the back side by a number of projections.
- the wafer is transported from a standby position before heat treatment is performed to a susceptor at a place where the processing is performed by transport means such as a Bernoulli chuck, and is placed on a counterbore provided on the susceptor. Is placed. After the heat treatment, the wafer is transported to a standby position where the wafer is taken out of the apparatus. This series of operations is performed continuously in the apparatus, and after the end of the series of processing operations, the heat treatment operation for the next unprocessed wafer is started.
- Heat treatment of wafers for manufacturing semiconductor wafers is often performed in a high-temperature environment. Then, the susceptor itself is heated to a high temperature by means of a high frequency or a lamp in order to bring the wafer to a predetermined temperature.
- the wafer when heat treatment of the wafer is continuously performed, the wafer is placed on a susceptor that has already been heated to a high temperature when the untreated wafer is transferred to the reactor.
- the wafer touches the bottom of the counterbore provided on the susceptor the lower surface side is rapidly heated, and the wafer warps upward as shown in FIG.
- the wafer W with a diameter of 200 mm on the susceptor 10 at about 600 ° C observing the moment when the wafer warps up, the counterbore from the bottom edge of the wafer
- the distance to the bottom instantaneously reaches about 3.2 mm.
- An object of the present invention is to provide a method for manufacturing a semiconductor wafer and a susceptor used for the same, which can reduce the warpage of the silicon single crystal wafer at the moment of placing the silicon single crystal wafer on the susceptor in the process of manufacturing the semiconductor wafer. To provide It is. Disclosure of the invention
- the present inventors have studied the transfer of the wafer W in the apparatus. As a result, by increasing the distance between the convex portions formed on the susceptor's seat, even at the moment when the susceptor is placed on the counterbore, as shown in Fig. 2, the warpage of the aewa is reduced, and I found that I could put it.
- the contact rate is 1.1% or less, more preferably 1% or less (groove width 1.8 mm or more) ⁇ It was found that the amount of warpage of the wafer could be greatly reduced and the occurrence of scratches could be prevented.
- the lower limit of the contact ratio between the spot facing and the wafer is preferably 0.1% or more in order to suppress the occurrence of slip dislocation.
- a method for manufacturing a semiconductor wafer according to the present invention comprises: placing a silicon single crystal wafer in a counterbore provided in a susceptor; A method for producing a semiconductor wafer by performing heat treatment, wherein a contact ratio between the counterbore and the silicon single crystal wafer is 0.1% or more and 1.1% or less.
- the contact ratio between the counterbore and the silicon single crystal wafer can be adjusted, for example, by forming a lattice-like groove in the counterbore and increasing the groove width.
- the width of the groove formed in the spot facing is preferably 1.8 mm or more. More preferably, the contact ratio is 0.1% or more and 1% or less.
- the counterbore is a susceptor used in various devices that heat-treat the wafer, such as a device that performs vapor phase epitaxial growth and a CVD device. It is applied as a counterbore provided on susceptors such as leaf type, pancake type and barrel type. Further, the groove formed in the spot facing can be formed by, for example, machining. As a material of the susceptor, carbon coated with silicon charcoal is preferable, and in some cases, quartz or silicon may be used.
- the warpage of the wafer when the wafer is placed on the susceptor can be greatly reduced. It can also prevent the surface of the wafer from being damaged due to warpage.
- a method of manufacturing a semiconductor wafer according to the present invention wherein a silicon single crystal wafer is placed in a counterbore provided on a susceptor, and a heat treatment is performed on the silicon single crystal wafer.
- a semiconductor wafer manufacturing method wherein a contact rate between the counterbore and the silicon single crystal wafer is 0.1% or more when the temperature in the susceptor is 900 ° C. 3% or less.
- a susceptor used for manufacturing a semiconductor wafer according to the present invention has a counterbore for mounting a silicon single crystal wafer, and a susceptor for manufacturing a semiconductor wafer.
- a contact ratio between the counterbore and the silicon single crystal wafer is set to 0.1% or more and 1.1% or less.
- the susceptor used for manufacturing the semiconductor wafer according to the present invention when the temperature in the susceptor is 900 ° C.,
- the contact ratio between the silicon single crystal and the wafer is 0.1% or more and 0.3% or less.
- FIG. 1A is a top view showing a counterbore of a susceptor used in a method for manufacturing a semiconductor wafer to which the present invention is applied.
- FIG. 1B is a top view showing a susceptor used in the method for manufacturing a semiconductor wafer to which the present invention is applied. It is an enlarged sectional view showing the counterbore bottom of the
- FIG. 2 is a cross-sectional view showing a state where the wafer W is placed in a counterbore of the susceptor with a reduced warpage.
- FIG. 3 is a plan view schematically showing a single-wafer type vapor phase growth apparatus as an example of an apparatus to which the present invention is applied.
- FIG. 4A is a plan sectional view showing a state in which the chuck reaches the susceptor in the reactor of the vapor phase growth apparatus of FIG. 3,
- FIG. 4B is a cross-sectional view showing a state in which the chuck reaches the susceptor in the reactor of the vapor phase growth apparatus of FIG. 3,
- FIG. 5A is a graph showing the amount of warpage of the wafer A with respect to the groove width when the wafers W are respectively placed on the spots having different contact ratios.
- FIG. 5B is a graph showing the warp amount of the wafer A with respect to the contact rate when the wafers W are respectively placed on the spots having different contact rates.
- FIG. 6 is a cross-sectional view showing a state in which the wafer conveyed by the chuck in FIG. 3 warps at the moment when the wafer is placed in the susceptor counterbore.
- a method of manufacturing a semiconductor wafer in which a single crystal thin film is formed by performing vapor phase epitaxy on the main surface of wafer W explain about.
- This vapor phase epitaxial growth is performed by a single wafer type vapor phase growth apparatus 100 shown in FIG.
- the vapor phase growth apparatus 100 is roughly composed of a reactor 101, load lock chambers 102, 103, and a transfer chamber 104 between the reactor 101 and the load lock chambers 102, 103.
- the transfer chamber 104 and the reaction furnace 101 are separated by a gate pulp 105 that can be opened and closed.
- the load lock chambers 102 and 103 are places for loading and unloading the wafer W into the vapor phase growth apparatus 100, and the wafer W before the vapor phase epitaxial growth (hereinafter referred to as “before processing”) is a cassette. (Not shown), usually, a plurality of sheets are arranged vertically with the main surface facing upward. These wafers W are carried out one by one to the transfer chamber 104, and after vapor phase epitaxial growth is performed (hereinafter, referred to as “processed”), the wafers are transferred to the original load lock chambers 102 and 103, and the cassette It will be returned to the inside again.
- the transfer chamber 104 is a place where the wafer W is transferred between the load lock chambers 102 and 103 and the reaction furnace 101, and is provided with a handle 110 which is a means for holding and transferring the wafer W.
- the handler 110 holds an arm 112 which is attached to the end of the arm 112 so as to be freely rotatable in a horizontal direction around a fulcrum 111 located substantially at the center of the transfer chamber 104, and holds the wafer W provided at the tip of the arm 112. And a disk-shaped chuck 113 for the purpose.
- the arm 112 includes a first link 112a, 112a and a second link 112b, 112b, and the corresponding first link 112a, 112a and second link 112b, 112b respectively.
- the arm 112 can extend and contract by moving in a direction away from each other or in a direction overlapping each other around the fulcrum portions 112c and 112c connecting them.
- the transfer of the silicon single crystal wafer by the handler 110 is of the Berne-i-chuck type. That is, from the center to the outer periphery of the chuck 113, for example, nitrogen The gas W is blown out vigorously, and the wafer W is non-contactly adsorbed and held in the vicinity of the lower surface of the chuck 113 by the Benorenui effect of the gas. Then, the chuck 1 13 moves as the arm 1 1 2 expands and contracts and rotates while maintaining this holding state, and accordingly, the wafer W moves. When the chuck 113 reaches, for example, a position where the wafer W of the reaction furnace 101 is placed, the gas flow of the chuck 113 is changed to release the holding state of the wafer W. Then, the wafer W leaves the chuck 113 and is located at a predetermined position below the chuck 113.
- the reaction furnace 101 is a place where a wafer W conveyed by the handler 110 is disposed inside one wafer and a single-crystal thin film is vapor-phase epitaxially grown on its main surface. As shown in FIG. 3, FIG. 4A and FIG. 4B, the reaction furnace 101 is provided with a susceptor 10 in which a counterbore 11 for mounting the wafer W is formed.
- a large number of lattice-shaped grooves 1 are formed in the bottom 11a of the counterbore 11 and the portion surrounded by the grooves 1 is convex as shown in Fig. 1B.
- Part 2 When the wafer W is placed on the counterbore 11, the wafer W comes into contact with the upper surface 2 a of the projection.
- the ratio (%) of the total area of the convex top surface 2a per unit area of the counterbore 1 1 bottom 1 1a is defined as the contact ratio between ⁇ A W and the counterbore 1 1, this contact ratio is 0
- the bottom 11a of the counterbore 11 is formed so as to be at least 1%, at most 1.1%, more preferably at most 1%.
- a first method for adjusting the contact ratio to the above range is as follows: the size C of the upper surface 2a of the convex portion shown in FIG. By adjusting the interval A of the projections 2 (adjusting the groove width B) in a state of being constant, the number of the projections 2 per unit area is increased or decreased.
- the distance A between the protrusions 2 is fixed, the size of the groove width B is adjusted, and the size of the protrusion 2, that is, the size C of the upper surface 2 a of the protrusion is adjusted. Further, in the third method, both the interval A (groove width B) of these convex portions 2 and the size C of the convex portion upper surface 2a are adjusted.
- the unprocessed wafer W placed in one of the load lock chambers 1 ′ 0 2 and 103 shown in FIG. 3 is temporarily placed in a temporary loading place (not shown).
- the chuck 1 13 is reached above the main surface of, and the wafer W is held by gas injection.
- the chuck 1 13 is moved in the direction of the reactor 101 by the contraction and rotation of the arm 1 1 2, and after opening and closing the opening and closing section 105 a of the gate knob 105, the arm 1 12 is opened. Extend it to reach the chuck 113 above the counterbore 11 of the susceptor 10 (Fig. 4A, Fig. 4B).
- the holding state of the wafer W is released, and the wafer W is placed on the spot 11 (FIG. 2).
- the arm 1 1 2 is contracted to return the chuck 1 1 3 to the transfer chamber 104. Then, the opening / closing portion 105a of the gate valve 105 is closed, and the vapor phase epitaxy growth (heat treatment) on the wafer A in the reactor 101 is performed.
- a raw material gas such as dichlorosilane or trichlorosilane is mixed with a dopant gas while the inside of the reactor 101 is heated to about 110 ° C. (: about 120 ° C.).
- the gas is passed through the main surface of the wafer W.
- the detailed settings of the gas composition, the flow rate of the gas, the flow time, and the temperature are determined by the desired silicon epitaxy film (semiconductor wafer). Set appropriately according to the thickness and other factors.
- the furnace temperature when the next unprocessed wafer is placed is set to a desired temperature of about 600 to 900 ° C.
- the opening and closing section 105 a of the gate pulp 105 is opened, and the processed wafer W is loaded by the handler 110 into the loading chambers 102, 103. Conveyed to one side. After this transfer, the unprocessed holes in the load lock chambers 102 and 103 Similarly, the wafer W is conveyed to the reactor 101 to start a series of epitaxy growth processing operations.
- the furnace temperature when the next unprocessed wafer is placed is set to a desired temperature of about 600 ° (: to 900 ° C, which will be described later).
- a desired temperature of about 600 ° (: to 900 ° C, which will be described later).
- the furnace temperature is relatively high as described in Examples and Comparative Examples, it is preferable to reduce the contact ratio between the spot facing and the wafer, and when the furnace temperature is relatively low, a larger value is preferable.
- it may be appropriately selected within the range of 0.1% to 1.1%, for example, at 900 ° C, it is preferably 0.1% to 0.3%.
- vapor-phase epitaxy is performed as a heat treatment on the wafer W using the single-wafer-type vapor-phase growth apparatus 100 in the above-described embodiment, and silicon epitaxy, which is a kind of semiconductor wafer, is performed. To manufacture.
- a susceptor 10 provided in a reaction furnace 101 of a vapor phase growth apparatus 100 is provided with a carbon counterbore 11 coated with silicon carbide.
- groove width B at bottom 11a (1) 3.64 mm (3.84mm as spacing A between protrusions 2), or (2) 1.72 mm (1.92mm as spacing A between protrusions 2) ), Two types of counterbore with grid-shaped grooves 1 formed uniformly are prepared. Then, the wafer W is placed at the spots 11 and vapor phase epitaxial growth is performed.
- the shape and size of the convex portion 2 of the counterbore 11 are a uniform trapezoid at the bottom portion 11a, and the upper surface 2a of the ⁇ portion is a substantially square having a side of about 0.2 mm. . Therefore, the contact ratio between each counterbore 11 and the wafer W is (1) 0.3% and (2) 1.1%. ' The temperature in the reactor 101 and the susceptor 10
- the wafer W having a diameter of 20 Omm is transported by the chuck 113 and placed in the counterbore 11 of the susceptor 10.
- the distance between the chuck 113 and the counterbore bottom 11a is 5 mm.
- the amount of warpage D of ⁇ ⁇ W at the moment of being placed in the spot facing 11 was (1) 0.01 mm (2) 0.05 mm . Further, no scratch is observed on the surface of the silicon epitaxial wafer manufactured by the vapor phase growth.
- the groove width B was (3) 1.08 mm (1.28 mm as the interval A of the convex part 2) or (4) 0.44 mm (between the Prepare a counterbore 11 formed at 0.64 mm) as a gap.
- a wafer W underneath the counterbore 11 is placed a wafer W, and vapor phase epitaxial growth on the wafer W is performed.
- these counterbore 11 and ⁇ c The contact rates with W are (3) 2.4% and (4) 9.8%.
- the warp amount D of the wafer A at the moment when the wafer was placed on the susceptor 10 was (3) 2.9 mm and (4) 3.2 mm.
- Ewa W When cold Ewa W is placed on the susceptor 10 heated to about 600 ° C, Ewa W flies off by about 2 mm.
- the surface of the ⁇ W ⁇ will be scratched by contact with the upper chuck 113.
- Example 1 In order to compare the vapor phase epitaxy growth methods of Example 1 and Comparative Example 1, with respect to spot facings (1) to (4), the contact ratio (%) between the wafer W and the spot facing, and Table 1 shows the amount of warpage D (mm) of the wafer W measured by using.
- FIG. 5A a graph of the e-warp amount D with respect to the groove width B is shown in FIG. 5A, and a graph of the e-warp amount D with respect to each contact ratio is shown in FIG. 5B.
- the contact ratio between the spot facing 11 and the wafer W is set to 1.1% or less, more preferably 1% or less (groove width 1.8 mm or more), the instantaneous placement of the wafer Since the amount of warpage can be significantly reduced and the occurrence of scratches due to warpage can be prevented, it is effective in the production of silicon epitaxial wafers.
- the contact ratio between the wafer W and the counterbore is less than 0.1% (the groove width B is more than about 6.1 mm), slip dislocation is observed in the wafer W.
- the contact ratio between the wafer A and the counterbore 11 is 0.1% or more.
- the groove width B is (1) 3.64 mm (3.
- the groove width B was (2) 1.72 mm (the distance A between the convex portions 2 was 1.
- Vapor-phase epitaxy growth was carried out on the wafer A under the same conditions as in Example 2 except for using the counterbore 11 formed to a size of 9 2 mm and a contact rate with the wafer W of 1.1%. Silicon epitaxy wafers manufactured in this way have chips on the surface. Scratches were seen due to contact with Jack 1 1 3.
- the temperature of the susceptor 10 on which ⁇ and W are placed exceeds 900 ° C., if the contact ratio between the counterbore and the ⁇ W is set to 0.3% or less, the warp of W W will be sufficiently high. It is more preferable because it is suppressed.
- the groove 1 formed in the bottom 11a of the spot facing 11 is not limited to the shape shown in the above embodiment.
- the grooves 1 need not be lattice-shaped.
- the size of the groove width B, the distance between the groove 1 and the groove 1, the shape of each convex part 2, and the area of the upper surface 2a of each convex part need not be uniform at the bottom part 11a. Is also good.
- the method of forming the groove is not particularly limited, and may be formed by arranging a convex portion on the surface, or may be formed integrally, in addition to cutting.
- the configuration of various apparatuses for performing heat treatment on the wafer is not limited by the configuration of the vapor phase growth apparatus of the above embodiment, and can be appropriately changed.
- the lattice-shaped groove 1 is formed in the bottom 11 a of the counterbore 11 of the susceptor 10 on which the wafer W is placed.
- the wafer W and the counterbore 11 1 make contact with each other on the upper surface 2 a of the convex portion 2 surrounded by the groove 1.
- the contact ratio between the wafer W and the counterbore 11 By adjusting the (area), the amount of warpage of the silicon single crystal wafer at the moment when the silicon single crystal wafer is placed on the high-temperature susceptor can be reduced.
- the warpage of the wafer at the moment when the wafer is placed on the susceptor can be significantly reduced.
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003500959A JP3900154B2 (ja) | 2001-05-31 | 2002-05-30 | 半導体ウェーハの製造方法及びそれに用いられるサセプタ |
US10/477,918 US6890383B2 (en) | 2001-05-31 | 2002-05-30 | Method of manufacturing semiconductor wafer and susceptor used therefor |
DE60225135T DE60225135T2 (de) | 2001-05-31 | 2002-05-30 | Verfahren zur herstellung eines halbleiterswafers |
EP02730788A EP1396879B1 (en) | 2001-05-31 | 2002-05-30 | Method of fabricating semiconductor wafer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001165165 | 2001-05-31 | ||
JP2001-165165 | 2001-05-31 |
Publications (1)
Publication Number | Publication Date |
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WO2002097872A1 true WO2002097872A1 (fr) | 2002-12-05 |
Family
ID=19007871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/005276 WO2002097872A1 (fr) | 2001-05-31 | 2002-05-30 | Procede de production d'une tranche de semi-conducteur et suscepteur utilise a cet effet |
Country Status (5)
Country | Link |
---|---|
US (1) | US6890383B2 (ja) |
EP (1) | EP1396879B1 (ja) |
JP (1) | JP3900154B2 (ja) |
DE (1) | DE60225135T2 (ja) |
WO (1) | WO2002097872A1 (ja) |
Cited By (4)
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JP2006351865A (ja) * | 2005-06-16 | 2006-12-28 | Shin Etsu Handotai Co Ltd | 気相成長用サセプタ及び気相成長装置及び気相成長方法並びにエピタキシャルウエーハ |
WO2009020024A1 (ja) * | 2007-08-03 | 2009-02-12 | Shin-Etsu Handotai Co., Ltd. | サセプタ及びシリコンエピタキシャルウェーハの製造方法 |
JP2009032973A (ja) * | 2007-07-27 | 2009-02-12 | Shin Etsu Handotai Co Ltd | 気相成長方法 |
EP2642491A1 (en) | 2012-03-21 | 2013-09-25 | Cefla S.C. | Beam limiting unit for radiographic apparatus |
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US7288404B2 (en) * | 2002-04-29 | 2007-10-30 | Regents Of The University Of California | Microcantilevers for biological and chemical assays and methods of making and using thereof |
US20050217569A1 (en) * | 2004-04-01 | 2005-10-06 | Nirmal Ramaswamy | Methods of depositing an elemental silicon-comprising material over a semiconductor substrate and methods of cleaning an internal wall of a chamber |
US20050217585A1 (en) * | 2004-04-01 | 2005-10-06 | Blomiley Eric R | Substrate susceptor for receiving a substrate to be deposited upon |
US20050223985A1 (en) * | 2004-04-08 | 2005-10-13 | Blomiley Eric R | Deposition apparatuses, methods of assessing the temperature of semiconductor wafer substrates within deposition apparatuses, and methods for deposition of epitaxial semiconductive material |
US20050223993A1 (en) * | 2004-04-08 | 2005-10-13 | Blomiley Eric R | Deposition apparatuses; methods for assessing alignments of substrates within deposition apparatuses; and methods for assessing thicknesses of deposited layers within deposition apparatuses |
WO2007004550A1 (ja) * | 2005-07-06 | 2007-01-11 | Komatsu Denshi Kinzoku Kabushiki Kaisha | 半導体ウェーハの製造方法および製造装置 |
JP5092975B2 (ja) | 2008-07-31 | 2012-12-05 | 株式会社Sumco | エピタキシャルウェーハの製造方法 |
CN101916794A (zh) * | 2010-06-25 | 2010-12-15 | 清华大学 | 一种连续制备铜铟镓硒硫太阳能电池吸收层的设备 |
KR20140070049A (ko) * | 2012-11-30 | 2014-06-10 | 삼성디스플레이 주식회사 | 기판 지지 유닛 및 이를 갖는 기판 처리 장치 |
EP3626865A1 (en) | 2018-09-20 | 2020-03-25 | Heraeus GMSI LLC | Susceptor and method for manufacturing the same |
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JPH10284360A (ja) * | 1997-04-02 | 1998-10-23 | Hitachi Ltd | 基板温度制御装置及び方法 |
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US6634882B2 (en) * | 2000-12-22 | 2003-10-21 | Asm America, Inc. | Susceptor pocket profile to improve process performance |
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2002
- 2002-05-30 US US10/477,918 patent/US6890383B2/en not_active Expired - Lifetime
- 2002-05-30 DE DE60225135T patent/DE60225135T2/de not_active Expired - Lifetime
- 2002-05-30 EP EP02730788A patent/EP1396879B1/en not_active Expired - Lifetime
- 2002-05-30 WO PCT/JP2002/005276 patent/WO2002097872A1/ja active IP Right Grant
- 2002-05-30 JP JP2003500959A patent/JP3900154B2/ja not_active Expired - Fee Related
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006351865A (ja) * | 2005-06-16 | 2006-12-28 | Shin Etsu Handotai Co Ltd | 気相成長用サセプタ及び気相成長装置及び気相成長方法並びにエピタキシャルウエーハ |
JP2009032973A (ja) * | 2007-07-27 | 2009-02-12 | Shin Etsu Handotai Co Ltd | 気相成長方法 |
WO2009020024A1 (ja) * | 2007-08-03 | 2009-02-12 | Shin-Etsu Handotai Co., Ltd. | サセプタ及びシリコンエピタキシャルウェーハの製造方法 |
US8021968B2 (en) | 2007-08-03 | 2011-09-20 | Shin-Etsu Handotai Co., Ltd. | Susceptor and method for manufacturing silicon epitaxial wafer |
JP5024382B2 (ja) * | 2007-08-03 | 2012-09-12 | 信越半導体株式会社 | サセプタ及びシリコンエピタキシャルウェーハの製造方法 |
EP2642491A1 (en) | 2012-03-21 | 2013-09-25 | Cefla S.C. | Beam limiting unit for radiographic apparatus |
Also Published As
Publication number | Publication date |
---|---|
DE60225135D1 (de) | 2008-04-03 |
EP1396879A1 (en) | 2004-03-10 |
US6890383B2 (en) | 2005-05-10 |
EP1396879B1 (en) | 2008-02-20 |
JPWO2002097872A1 (ja) | 2004-09-16 |
US20040129225A1 (en) | 2004-07-08 |
EP1396879A4 (en) | 2006-09-27 |
JP3900154B2 (ja) | 2007-04-04 |
DE60225135T2 (de) | 2009-02-26 |
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