WO2007086529A1 - 化学機械研磨パッドおよびその製造方法 - Google Patents
化学機械研磨パッドおよびその製造方法 Download PDFInfo
- Publication number
- WO2007086529A1 WO2007086529A1 PCT/JP2007/051315 JP2007051315W WO2007086529A1 WO 2007086529 A1 WO2007086529 A1 WO 2007086529A1 JP 2007051315 W JP2007051315 W JP 2007051315W WO 2007086529 A1 WO2007086529 A1 WO 2007086529A1
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- WO
- WIPO (PCT)
- Prior art keywords
- chemical mechanical
- pad
- mechanical polishing
- polishing pad
- tag
- Prior art date
Links
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- 239000004952 Polyamide Substances 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
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- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
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- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
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- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
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- 229920006124 polyolefin elastomer Polymers 0.000 description 1
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- 229920006324 polyoxymethylene Polymers 0.000 description 1
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- 229920003225 polyurethane elastomer Polymers 0.000 description 1
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- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
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- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
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- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
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- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
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
- H01L21/02—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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
-
- 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
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67294—Apparatus for monitoring, sorting or marking using identification means, e.g. labels on substrates or labels on containers
Definitions
- the present invention relates to a chemical mechanical polishing pad and a method for producing the same.
- a silicon substrate or a silicon substrate on which wirings, electrodes, etc. are formed (hereinafter, these may be collectively referred to as a “semiconductor wafer”) has a surface with excellent flatness.
- a chemical mechanical polishing method (Chemical Mechanical Polishing, generally abbreviated as “CMP”) is widely adopted.
- CMP Chemical Mechanical Polishing
- JP-A-11-70463 and JP-A-8-216029 a polyurethane foam containing a large number of fine pores is used as a chemical mechanical polishing pad, and a hole (hereinafter referred to as “pore”) opened on the surface of this pad.
- a chemical mechanical polishing method has been proposed in which polishing is performed while holding an aqueous dispersion for chemical mechanical polishing.
- JP-A-8-500622 and JP-A-2000-34416 propose a polishing pad in which a water-soluble polymer is dispersed in a matrix resin.
- the water-soluble polymer dissolves or swells by contact with the chemical mechanical polishing aqueous dispersion during polishing and is detached from the pad, and the space formed thereby holds the chemical mechanical polishing aqueous dispersion. It has the function to do.
- the chemical mechanical polishing pad actually has its model number, serial number, manufacturing history, and its product for the purpose of manufacturing management, shipping management, distribution management, maintenance management, etc. In some cases, it may be necessary to know specific information such as actual measured values of measured dimensions and physical characteristics (individual characteristics of individual products within the tolerance range of product characteristics specified by the model number) and usage history.
- a bar code is directly printed or a sticker on which a bar code is printed is attached to a packaging material of a chemical mechanical polishing pad.
- the amount of information that can be held is limited, and after the packaging material with the bar code attached is opened and the chemical mechanical polishing pad is used, the pad and the bar on the packaging material are There was a problem that managing the correspondence with the code was complicated. For this reason, an information recording medium (generally called “IC tag”, “electronic tag”, “RFID (R, adiofrequency ID entification) j”, etc.) that can be read or read in a non-contact manner using electromagnetic waves is used as a pad. There is a growing demand for embedding.
- the presence of the information recording medium force S which is a foreign substance, on the front surface, back surface or inside of the pad has an unfavorable effect on the polishing performance.
- the uniformity of the surface to be polished is inferior, and surface smoothness defects such as scratches and erosion occur.
- the information recording medium itself may be destroyed due to the distortion of the pad inevitably generated when the pad is attached to the polishing apparatus.
- Such information recording media are being downsized due to recent technological advances.
- the antenna that the information recording medium should have must be a certain size large
- the miniaturization of information recording media that should be embedded in chemical mechanical polishing pads Therefore, it is considered that the problem of deterioration of the polishing performance of the pad in which the information recording medium is embedded cannot be solved by downsizing the medium. Disclosure of the invention The present invention has been made in view of the above circumstances, and its purpose is to have an information recording medium that can be read or read in a non-contact manner using electromagnetic waves, and is excellent in uniformity of the polished surface.
- An object of the present invention is to provide a chemical mechanical polishing pad excellent in polishing performance such as generation of erosion and excellent surface smoothness of a surface to be polished, and a method for producing the same. According to the present invention, the above object of the present invention is, firstly,
- a chemical mechanical polishing pad comprising an information recording medium having a circular polishing surface and a non-polishing surface which is the back surface of the polishing surface, which can be read or read in a non-contact manner using electromagnetic waves.
- the above object of the present invention is secondly achieved by a method for producing the above chemical mechanical polishing pad, which comprises the following steps.
- the third object of the present invention is a method for producing the above chemical mechanical polishing pad. Therefore, it is achieved by a method for manufacturing a chemical mechanical polishing pad characterized by including the following steps.
- the chemical mechanical polishing pad of the present invention has a circular polishing surface and a non-polishing surface which is the back surface of the polishing surface.
- the shape of the pad of the present invention preferably has a disk shape (right columnar shape) or a shape equivalent thereto. It may have a side surface that regulates the polished surface and the non-polished surface, or may have a shape in which the thickness gradually decreases in the region of the outermost peripheral portion of the pad without having a clear side surface.
- the polishing pad of the present invention preferably has a polishing surface diameter of 150 to 1,200 mm, more preferably 500 to 800 mm, and a thickness of preferably 1.0 to 5. It is 0 mm, more preferably 1.5 to 3. O mm.
- the chemical mechanical polishing pad of the present invention can be provided with a groove of any shape and other recesses on the polishing surface.
- the groove shape include concentric grooves, spiral grooves, lattice grooves, radial grooves, and the like, and grooves having a combination thereof.
- the cross-sectional shape in the width direction of the groove, that is, the normal direction of the groove is not particularly limited. For example, it can be a polygonal shape, a U-shape, etc. formed from a flat side surface and possibly a bottom surface.
- the cross-sectional shape may be axisymmetric on the left and right or asymmetric.
- Examples of the shape of the other recesses include a circular recess and a polygonal recess.
- the chemical mechanical polishing pad of the present invention may further have a groove of any shape or other recess on the non-polishing surface.
- the shape of the groove or other recess that may be formed on the non-polished surface is the same as the shape of the groove or other recess that may be formed on the polished surface, but the groove or other groove on the non-polished surface is the same.
- the recess preferably does not reach the outer periphery of the pad.
- the other recesses (especially circular recesses or polygonal recesses) that may be formed on the non-polished surface are preferably located at the center of the non-polished surface.
- “located at the center” means that these recesses are positioned at the center of the non-polished surface in a mathematically strict sense. In addition to this, it is sufficient that the center of the non-polishing surface of the pad is located within the range of the recess.
- the upper limit of the diameter is preferably the maximum diameter of the object to be polished (for example, the diameter of the wafer when the object to be polished is a disk-shaped semiconductor wafer). It is 100%, more preferably 75%, still more preferably 50%.
- the lower limit of the diameter is preferably 2 mm, more preferably 10 mm, regardless of the size of the object to be polished.
- the diameter when the concave portion of the non-polished surface is circular is preferably 2 to 300 mm, more preferably 10 to 2 25 mm, and more preferably 10 to 1550 mm.
- the diameter when the concave portion of the non-polished surface is circular is preferably 2 to 200 mm, more preferably 10 mm. ⁇ 50 mm, more preferably 10 ⁇ : L 0 mm.
- the chemical mechanical polishing pad of the present invention may have a translucent region that optically communicates from the non-polishing surface to the polishing surface. By using a pad having such a translucent region, it becomes possible to optically detect the polishing end point when the pad is used in a chemical mechanical polishing apparatus having an optical polishing end point detector. .
- the planar shape of the translucent region is not particularly limited, but the outer peripheral shape of the region may be, for example, a circle, an ellipse, a sector, or a polygon.
- the position of the translucent region should be a position that matches the position of the optical polishing end point detector of the chemical mechanical polishing apparatus to which the chemical mechanical polishing pad of the present invention is attached.
- the number of translucent regions can be one or more.
- the arrangement is not particularly limited as long as the above positional relationship is satisfied.
- the method of forming the light-transmitting region There is no limitation on the method of forming the light-transmitting region.
- the pad region that should be light-transmitting can be formed of a light-transmitting member, or the pad has a certain amount of light-transmitting property.
- a polishing end point is detected by forming a concave portion in a portion corresponding to the region of the pad that should be translucent on the non-polishing surface of the pad and thinning the portion. It is also possible to use a method of ensuring the translucency required for the above.
- an information recording medium (hereinafter referred to as an “IC tag”) that can be read or read using electromagnetic waves in a non-contact manner, which is used in the present invention, is at least an IC chip (integrated circuit).
- the IC chip has at least an information storage device (memory) and a radio circuit.
- the information storage device may be a read-only memory (ROM) or a read-write memory (RAM).
- the IC chip may be provided with CCU (Central P ro s s s s s ng Init) or the like as necessary.
- the radio circuit is preferably capable of communicating in a long wave (LF) band, a short wave (VHF) band, an ultra-high frequency (UHF) band, a quasi-microwave band, or a microwave band.
- LF long wave
- VHF short wave
- UHF ultra-high frequency
- the wireless circuit must be capable of communicating in the long wave band or the short wave band. preferable.
- the IC tag used in the present invention may be an active type with a built-in battery or a passive type without a battery.
- Various measuring device forces S may be connected to the IC tag.
- Examples of the measuring device include a thermometer and a pressure sensor.
- the IC tag can have any shape, but the antenna required to receive and transmit electromagnetic waves for non-contact reading or writing can be accommodated therein, and the IC tag power S present invention Since it is necessary to have a shape and size that can be accommodated within the thickness range of the chemical mechanical polishing pad, a card shape is preferable.
- the planar shape of the card include a circle, an ellipse, and a polygon.
- polygons include triangles, squares, rectangles, and diamonds.
- the polygon 5 here is a concept that includes the shape of each vertex.
- the size of the IC tag is not particularly limited.
- the force is preferably 10 to 300 mm on one side of the square, and more preferably 10 to 50 mm.
- the thickness is preferably 0.1 to 4.0 mm. More preferably, it is 0.2 to 2.5 mm.
- the major axis is preferably 10 to 300 mm, and more preferably 10 to 200 mm.
- the minor axis is preferably a force S of 3 to 200 mm, more preferably 3 to 15 O mm.
- the preferred thickness of the rectangular force IC tag is the same as that of the square card ID tag.
- the chemical mechanical polishing pad of the present invention comprises the IC tag as described above.
- the position of the center of gravity of the IC tag in the radial direction of the polishing surface is not particularly limited, but is 0 to 10% or 80 to 1 of the radius of the polishing surface in the direction from the center on the radius of the polishing surface to the outer periphery.
- the power is preferably within the range of 0 0%.
- the center of gravity of the IC tag does not mean a mechanical center of mass, but a geometric center of gravity (hereinafter the same).
- the force is parallel to the thickness direction of the I-C tag thickness direction force pad.
- the chemical mechanical polishing pad of the present invention has a translucent region, it is preferable that the entire shape of the I C tag projected onto the non-polished surface is outside the translucent region.
- the chemical mechanical polishing pad of the present invention has a recess on the non-polishing surface side (except when the recess also serves as a translucent region), the IC tag is projected onto the non-polishing surface. It is preferable that a part or all of the shape S is in the region of the recess, and it is more preferable that the entire force is in the region of the recess.
- the pad has a circular or polygonal concave portion at the center of the non-polished surface, and part or all of the shape of the IC tag projected onto the non-polished surface is within the region of the concave portion. Is particularly preferably in the region of the recess. If the entire shape of the IC tag projected onto the non-polished surface is within the concave portion region, the shape and size of the IC tag projected onto the non-polished surface and the shape and size of the concave portion match. However, it is preferable that the concave portion includes a shape and size obtained by projecting the IC tag onto the non-polished surface and is larger than this.
- the position of the center of gravity of the IC tag in the pad thickness direction is 50 to 100% of the pad thickness in the direction from the polishing surface to the non-polishing surface. It is preferable to be within the range. That is, assuming a line segment AC perpendicular to the polished surface from point A on the polished surface through the center of gravity B of the IC tag to point C on the non-polished surface, the position of the center of gravity B of the IC background is point A. It is preferable to be within the range of 50 to 100% of the distance from the starting point to the point C. This value is more preferably 70 to 100%, and even more preferably 80 to 10%.
- the depth of the concave portion in the area of the concave portion formed on the non-polished surface of the pad is 0.1-3.0 mm
- the power is preferable, and the thickness is more preferably 0.2 to 2.0 mm.
- the IC tag is all in force. S It is likely that it is inside the chemical mechanical polishing pad of the present invention and is not exposed to the outside.
- the IC tag included in the chemical mechanical polishing pad of the present invention By placing the IC tag included in the chemical mechanical polishing pad of the present invention in such a position, the uniformity and surface smoothness of the surface to be polished are further reduced during chemical mechanical polishing, and high quality is achieved. It can be a chemical mechanical polishing pad that gives the surface to be polished, and also prevents the IC tag from being destroyed as much as possible when handling the pad when the pad is mounted on a polishing apparatus.
- the chemical mechanical polishing pad of the present invention as described above can be produced by an appropriate method. For example, it can be produced by the following production method A or production method B.
- Manufacturing method A includes the following steps.
- the production method B includes the following steps. (Bl) Step of preparing a chemical mechanical polishing pad composition
- Examples of chemical mechanical polishing pad compositions include:
- thermoplastic resins at least one selected from the group consisting of thermoplastic resins, elastomers, rubbers and curable resins; and (b) a composition for chemical mechanical polishing pads containing water-soluble particles (hereinafter referred to as “first composition”). "), And
- a polyol (2) a polyisocyanate, and (3) a composition for a chemical mechanical polishing pad containing a foaming agent (hereinafter sometimes referred to as “second composition”).
- the thermoplastic resin that can be used as the component (a) includes, for example, 1,2-polybutadiene resin; polyolefin resin such as polyethylene; polystyrene resin; polyacrylic resin such as (meth) acrylate resin. Resins; Vinyl ester resins (excluding polyacrylic resins); Polyester resins; Polyamide resins; Fluorine resins such as polyvinylidene fluoride; Polycarbonate resins; Polyacetal resins and the like.
- Elastomers include, for example, general elastomers such as 1,2-polybutadiene; polyolefin elastomers (TPO); styrene monobutadienes, styrene block copolymers (SBS), and hydrogenated block copolymers (SE BS).
- Styrene elastomers include thermoplastic elastomers such as mature plastic polyurethane elastomers (TPU), thermoplastic polyester elastomers (TPEE), polyamide elastomers (TPAE); silicone resin elastomers Stoma; Fluororesin elastomer, etc. can be mentioned.
- Examples of rubber include butadiene rubber (high cis butadiene rubber, low cis butadiene rubber, etc.), isoprene rubber, styrene-butadiene rubber, conjugated rubber such as styrene-isoprene rubber; nitrile rubber such as acrylonitrile-butadiene rubber; acrylic rubber; Mention may be made of ethylene monopropylene rubber, ethylene monopropylene rubber such as ethylene monopropylene rubber, and other rubbers such as butyl rubber, silicone rubber and fluororubber.
- the curable resin may be either a thermosetting resin or a photocurable resin.
- urethane resin epoxy resin, acrylic resin, unsaturated polyester resin, polyurethane resin, urea resin, key resin, phenol resin, Examples thereof include vinyl ester resins.
- the component (a) as described above may be partly or wholly modified with an acid anhydride group, a carboxyl group, a hydroxyl group, an epoxy group, an amino group, or the like.
- the component (a) is preferably rubber, curable resin, thermoplastic resin or elastomer, more preferably thermoplastic resin or elastomer, and further preferably 1,2-polybutadiene.
- the component (a) may be a crosslinked polymer partially crosslinked. Crosslinking can be performed, for example, by chemical crosslinking using organic peroxides, sulfur, sulfur compounds, etc., radiation crosslinking by electron beam irradiation, or the like.
- the material constituting the water-soluble particles includes saccharides (for example, polysaccharides such as starch, dextrin and cyclodextrin, lactose, mannitol, etc.), celluloses (for example, hydroxypropylcellulose, methyl) Cellulose, etc.), protein, polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylic acid, polyethylene oxide, water-soluble photosensitive resin, sulfonated polyisoprene, sulfonated isoprene copolymer, and the like.
- saccharides for example, polysaccharides such as starch, dextrin and cyclodextrin, lactose, mannitol, etc.
- celluloses for example, hydroxypropylcellulose, methyl) Cellulose, etc.
- protein polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylic acid, polyethylene oxide, water-soluble photosensitive resin, sulf
- inorganic water-soluble particles examples include potassium sulfate, potassium nitrate, potassium carbonate, potassium hydrogen carbonate, potassium chloride, potassium bromide, and phosphoric acid. And magnesium nitrate. These water-soluble particles can be used alone or in combination of two or more. Furthermore, it may be one type of water-soluble particles made of a predetermined material, or two or more types of water-soluble particles made of different materials.
- the water-soluble particles dissolve in water only when exposed to the surface layer in the polishing pad, do not absorb moisture and do not swell inside the polishing pad. Therefore, the water-soluble particles can be provided with an outer shell that suppresses moisture absorption in at least a part of the outermost part.
- the outer shell may be physically adsorbed on the water-soluble particles, chemically bonded to the water-soluble particles, or both may be bonded to the water-soluble particles.
- the material constituting the outer shell include epoxy resin, polyimide, polyamide, and polysilicate.
- the water-soluble particles may be composed of water-soluble particles having an outer shell and water-soluble particles not having an outer shell. Even if it is not coated, the above effect can be sufficiently obtained.
- the average particle diameter of the water-soluble particles is preferably from 0.1 to 500,111, more preferably from 0.5 to 100 x m.
- the size of the pore is preferably 0.1 to 500 ⁇ m, more preferably 0.5 to 100 m. If the average particle diameter of the water-soluble particles is less than 0, the size of the pores formed is smaller than the abrasive grains used, and therefore, it tends to be difficult to obtain a polishing pad that can sufficiently hold the slurry. On the other hand, if it exceeds 500 / xm, the mechanical strength and polishing rate of the resulting polishing pad tend to decrease because the size of the pores formed becomes excessive.
- the content of water-soluble particles is preferably 2 to 90% by volume, more preferably 2 to 2%, when the total of (a) component and (b) water-soluble particles is 100% by volume. 60% by volume, more preferably 2-40% by volume.
- B By setting the content of the water-soluble particles within the above range, it is possible to achieve both the polishing rate of the resulting polishing pad and the appropriate hardness and mechanical strength.
- the first composition may further contain (c) a crosslinking agent.
- a crosslinking agent examples include organic peroxides, sulfur, sulfur compounds and the like. Of these, it is preferable to use an organic peroxide. Examples of the organic peroxide include dicumyl peroxide, jetyl peroxide, di-t-butyl peroxide, diacetyl peroxide, and diacyl peroxide.
- the amount of the crosslinking agent used is preferably from 0.01 to 5.0 parts by weight, more preferably from 0.2 to 5.0 parts by weight based on 100 parts by weight of the crosslinkable polymer in component (a). 4. 0 parts by mass.
- Examples of the (1) polyol in the second composition include polyhydric alcohols, polyester polyols, and polyester polyols.
- Examples of the polyhydric alcohol include ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, glycerin, trimethylol propane, diethanolamine, triethanolamine, and pentyl ester.
- the polyester polyol can be preferably produced by reacting a polyvalent carboxylic acid or a derivative thereof with a polyvalent hydroxyl compound.
- polyisocyanates examples include 2,4-toluylene diisocyanate, 2,6-toluylene diisocyanate, polyphenyl polymethylene polyisocyanate, and the like. Some or all of these polyisocyanates may have a carboimide, urethane, or isocyanurate group.
- the amount of polyisocyanate used is preferably (1) 0.9 to 1.4 equivalents, more preferably 0.9 as the amount of isocyanate groups per equivalent of 7 acid groups of the polyol. 5 to 1.3 equivalents.
- foaming agent examples include water and freon.
- the amount of the foaming agent used is preferably 4 to 10 parts by mass with respect to 100 parts by mass of (1) polyol.
- the second composition may contain (4) a catalyst.
- the catalyst include amine compounds and organometallic compounds. Ammin Examples of the compounds include triethylenediamine, triethylamine, tetramethylhexamethylenediamine, pen methylmethylethylenetriamine, dimethylcyclohexamine, and the like. Examples of the organic metal compounds include stannous chloride, dibutyltin laurate. And so on.
- the amount of the catalyst used is (1) preferably 1 part by mass or less, more preferably 0.05 to 1 part by mass, even more preferably 1 part by mass of the polyol Is 0.5 to 0.5 parts by mass.
- the second composition may contain a foam stabilizer, other resin, a flame retardant, a surfactant and the like.
- the method for preparing the chemical mechanical polishing pad composition as described above is not particularly limited.
- a predetermined material can be obtained by kneading with a kneader or the like.
- the kneader include a roll, a kneader, a Banbury mixer, and an extruder (single screw, multi screw).
- the water-soluble particles are preferably solid during kneading.
- B Water-soluble particles previously classified into the above-mentioned preferred average particle size range were used, and (b) water-soluble particles were kneaded under conditions where the water-soluble particles were solid, whereby (b) water-soluble particles and (a) component Regardless of the degree of compatibility, (b) water-soluble particles can be dispersed at the preferred average particle size. Therefore, it is preferable to select the type of (b) water-soluble particles having a melting point higher than the processing temperature depending on the processing temperature of the component (a) used.
- a mold molding method using a mold having a shape that engages with a desired rough pad shape a chemical mechanical polishing composition is sealed. Name the method of molding on a bowl and punching it into the desired outline You can.
- IC tag force In order to open the part to be placed on the surface to be the non-polished surface of the pad, in the case of the above-mentioned mold molding, use a mold having a convex part that engages with the opening, Alternatively, it can be performed by a method of forming an opening by cutting after molding the shape having no opening. On the other hand, in the case of adopting a method of performing sheet forming, it can be performed by cutting after punching the shape.
- the shape and size of the portion that opens to the surface to be the non-polished surface can be the same as the shape and size that the IC tag used should be inside the pad projected onto the non-polished surface. It does not have to match. As long as the IC tag to be used can be loaded into the opening in the direction to be used in the next step (A 3), the shape and size of the opening are not limited.
- the shape of the IC tag that is inside the pad is a substantially similar shape that is projected onto the non-polished surface, and both the size in the radial direction and the size in the tangential direction of the pad are 0.1 to 5.0 from the IC tag. It is preferable that the size is about mm.
- the chemical mechanical polishing pad of the present invention has a recess on the non-polishing surface side, and the entire force of the shape projected from the IC tag on the non-polishing surface is within the region of the recess, If the size of the recess opening in the surface is significantly larger than the size projected from the IC tag on the non-polished surface, the opening to be a recess has a non-polished surface side and becomes the bottom surface of the recess It may be a two-stage opening in which an opening to be loaded with an IC tag is further formed on a part of the surface.
- Such a two-stage opening is formed using a mold having a two-stage convex portion that engages with a desired opening shape when forming a pad outline, or after forming an outline without an opening, It can be formed by applying two stages of cutting. After the rough shape is formed using a mold having a one-step convex portion, an opening for I C evening may be formed by cutting. (A 3) A step of filling the opening with an IC tag and filling the remaining space of the opening with the chemical mechanical polishing pad composition
- the IC tag is loaded into the opening formed as described above in a desired direction, and the remaining space is filled with the chemical mechanical polishing pad composition.
- Chemical machinery used here The polishing pad composition is preferably the same as the composition used to mold the pad outline.
- Step (A4) Step of heating to a temperature of 150 to 180 ° C under a pressure of 1 to 2 OMP a Next, by heating to a temperature of 150 to 180 ° C under a pressure of 1 to 2 OMP a, Embed the IC tag in the pad.
- the pressure applied here is preferably 1 to 18 MPa, more preferably 2 to 15 MPa.
- the temperature to be added is preferably 160 to 180 ° C.
- the heating time is preferably 1 to 60 minutes, more preferably 10 to 30 minutes.
- Step (A4) is preferably performed in a mold.
- the chemical mechanical polishing pad of the present invention can be produced.
- the pad cover S of the present invention has a groove or other concave portion on one or both of the polished surface and the non-polished surface side, the desired groove or other groove is formed during the step (A2).
- step (B 1) is the one used in step (A1) above.
- a composition that requires processing at a high temperature exceeding 180 ° C. can be preferably used.
- the step (B 2) is substantially the same as the above step (A 2).
- the shape and size of the opening are substantially the same as the shape and size of the state that should be inside the IC tag force pad projected onto the non-polished surface, and at least the majority of the side surface of the IC tag is the opening. It is preferable that the shape and the size be in close contact with the side surface. As for the depth of the opening, it is preferable that the IC tag to be used should be substantially the same as or deeper than the distance that should be occupied in the pad thickness direction inside the pad. .
- the chemical mechanical polishing pad of the present invention has a recess on its non-polished surface side, and when the entire shape of the IC projection projected onto the non-polished surface is within the region of the recess, If the size of the recess to be opened is significantly larger than the size projected from the IC tag on the non-polished surface, the surface to be the recess has an opening on the non-polished surface side, and the surface to be the bottom of the recess It may be a two-stage opening in which an opening to be loaded with an IC tag is further formed at a part of the opening. Such a two-stage opening can be formed in the same manner as described in the step (A 2) of the manufacturing method A.
- the IC tag is attached to the opening by loading it in a predetermined direction.
- the method for forming the adhesive layer include a method of applying an adhesive, a method of applying a double-sided tape, and the like, but a double-sided tape is preferred.
- the adhesive strength of the double-sided tape is preferably 100 to 3, 000 g / 25 mm, as measured by the method defined in JISZ 1 5 28, 200
- the double-sided tape may have the same adhesive strength on both sides, or may be preferably used even if the adhesive strength on both sides is different.
- the chemical mechanical polishing pad of the present invention has a groove or other recess on one or both of the polishing surface and the non-polishing surface side, the desired groove or The force to use a mold having a convex part that engages with the shape of the other concave part, or by performing appropriate cutting after the above step (B 2) or after (B 3), the groove Or it can be set as the chemical mechanical polishing pad which has another recessed part.
- the chemical mechanical polishing pad of the present invention can be a single-layer pad using the pad produced as described above as it is, or a multilayer pad having a support layer on a non-polishing surface. .
- the support layer is a layer that supports the chemical mechanical polishing pad on the back side of the polishing surface.
- the characteristics of the support layer are not particularly limited, but are preferably softer than the pad body.
- the support layer may be a porous body (foamed body) or a non-porous body.
- the planar shape is, for example, a force that can be circular, polygonal, etc. It is preferable that the planar shape is the same planar shape as the planar shape of the polishing pad, and the same size.
- the thickness is not particularly limited, but is preferably 0.1 to 5 mm, and more preferably 0.5 to 2 mm.
- the material constituting the support layer is not particularly limited, but it is preferable to use an organic material because it can be easily molded into a predetermined shape and properties, and can provide appropriate elasticity.
- an organic material those exemplified as the component (a) of the first composition in the step (A 1) can be used.
- the chemical mechanical polishing pad of the present invention can be mounted on a commercially available polishing apparatus and used in a chemical mechanical polishing process by a known method. Information can be recorded and used as needed. Information recorded on the IC tag can include, for example, the chemical mechanical polishing pad model number, serial number, manufacturing history, quality inspection results regarding the dimensions, physical characteristics, and shape actually possessed by the product. In addition, when the information storage device of the IC tag is a RAM, the usage history after starting the use of the pad may be sequentially written.
- the chemical mechanical polishing pad of the present invention is excellent in the uniformity and surface smoothness of the surface to be polished, and has an excellent function as a chemical mechanical polishing pad when given a high quality polished surface.
- it can be used for manufacturing management, shipping management, distribution management, maintenance management, setting of optimum polishing conditions that reflect the individuality of individual products, etc.
- various measuring devices are connected to the tag, it can be used for fine-tuning polishing conditions that are suitable for the specific environment where the pad is placed during the chemical mechanical polishing process.
- 1, 2_Polybutadiene (manufactured by JSR Corporation, trade name “JSR RB 830J”) 80 parts by volume (corresponding to 72.2 parts by mass) and j8-cyclodextrin (manufactured by Yokohama International Bio-Laboratory Co., Ltd.)
- JSR RB 830J The product name “Dexy Pearl / 3-100”, average particle size 20 m) 20 parts by volume (corresponding to 27.2 parts by mass) with a ruler adjusted to 160 ° C for 60 r Kneaded for 2 minutes at pm.
- “Park Mill D 40” (trade name, manufactured by Nippon Oil & Fats Co., Ltd.
- This pellet has a circular convex part in the center of the lower plate (diameter 75mm, height 1.2mm) 00
- the disk-shaped molded body produced above was put into a mold having no convex part on the inner surface with the opening part facing up.
- IC tag approximately square card shape, size: 5 OmmX 5 OmmX 0.2 mm, operating frequency: 13.5 MHz, force — shell material: ABS resin, memory capacity : 512bit, 512bit data written in the memory in advance.
- the mold was heated at 14 MPa at 170 ° C. for 18 minutes to obtain a disk-shaped rough pad shape having a diameter of 60 Omm and a thickness of 2.5 mm.
- a circular recess having a diameter of 75 mm and a depth of 0.6 mm was formed in the center of the molded body on the non-polishing surface side to obtain a chemical mechanical polishing pad.
- the position of the center of gravity of the IC tag contained in this chemical mechanical polishing pad is the center of the polishing surface in the radial direction of the polishing surface, and in the direction from the polishing surface to the non-polishing surface in the thickness direction of the pad, It is 56% of the pad thickness.
- the chemical mechanical polishing pad has a circular recess at the center of the non-polishing surface, and the entire shape of the IC tag projected onto the non-polishing surface is within the range of the recess.
- the chemical mechanical polishing pad manufactured above is mounted on the surface plate of the chemical mechanical polishing equipment “EP01 12” (manufactured by Ebara Corporation), and the patternless PETEOS film (using tetraethylorthosilicate as a raw material)
- EP01 12 manufactured by Ebara Corporation
- the patternless PETEOS film using tetraethylorthosilicate as a raw material
- a silicon oxide film formed by chemical vapor deposition using plasma as a wafer having a diameter of 20 Omm on the surface was subjected to chemical mechanical polishing under the following conditions.
- Aqueous dispersion for chemical mechanical polishing CMS-1101 (trade name, manufactured by JSR Co., Ltd., containing Siri force as abrasive grains) diluted three times with ion-exchanged water
- Aqueous dispersion feed rate 20 OmLZ min
- the polishing rate was 200 nm / min
- the in-plane uniformity of the polishing amount was 1.2%
- the number of scratches was 3 per wafer.
- the polishing rate, the in-plane uniformity of the polishing amount, and the number of scratches were measured as follows.
- the film thickness before and after polishing was measured with an optical film thickness meter at 49 points taken at an interval of 3.75 mm in the diameter direction from the point 10 mm inside from the edge of the wafer.
- the average value of the film thickness difference was taken as the polishing rate, and the film thickness difference at these 49 points was calculated according to the following formula, and the result was defined as in-plane uniformity.
- In-plane uniformity (%) (Standard deviation of film thickness difference) ⁇ (Average value of film thickness difference) XI 00 Scratch is applied to the entire surface of the polished wafer after polishing. Using Tencor, model “KLA2351”, threshold (t hr eshold) set to 100), the total number of scratches generated was measured.
- Example 2 Manufacture of chemical mechanical polishing pads
- This pellets was heated in a mold with a circular convex part (diameter 75mm, height 1.2mm) at the center of the lower plate for 18 minutes at 170 ° C and cross-linked to have a diameter of 600mm and thickness 2
- a disk-shaped molded body having an opening at the center of the surface to be 5 mm and the back surface (non-polished surface) was obtained.
- Double-sided tape (Nitto Denko Co., Ltd., product name “No. 500”, adhesive strength: 1,550 g / 25mm on both sides) Affixed to match.
- a commercially available IC tag substantially rectangular card shape, size: 70mmX4.8 mmX 0.2 mm, operating frequency: 2.45 GHz, memory capacity: 128 bytes, 110 by te data written in advance in memory was attached so that one of the 7 OmmX 4.8 mm sides coincided with the rectangle of the double-sided tape.
- a chemical mechanical polishing pad was manufactured by forming.
- the position of the center of gravity of the IC tag included in this chemical mechanical polishing pad is the center of the polishing surface in the radial direction of the polishing surface, and in the direction from the polishing surface to the non-polishing surface in the thickness direction of the pad, The position is 64% of the thickness.
- the chemical mechanical polishing pad has a circular recess at the center of the non-polished surface, and the entire shape of the shape of the IC tag projected onto the non-polished surface is within the range of the recess.
- Example 3 When the chemical mechanical polishing performance was evaluated in the same manner as in Example 1 except that the chemical mechanical polishing pad produced above was used, the polishing rate was 21 OnmZ and the in-plane uniformity of the polishing amount was 1. The number of scratches was 5 per wafer.
- the polishing rate was 21 OnmZ and the in-plane uniformity of the polishing amount was 1. The number of scratches was 5 per wafer.
- a pellet of the chemical mechanical polishing pad composition was obtained in the same manner as in Example 1, “(1 1 1) Preparation of chemical mechanical polishing pad composition”.
- the pellets were heated at 170 ° C for 18 minutes in a mold with a cylindrical metal block (diameter 75mm, height 0.6mm) centered at 54 Omm from the center of the lower plate, and crosslinked.
- a disk-shaped molded body having an opening at the center of the surface to be the back surface (non-polished surface) was obtained.
- the disk-shaped molded body produced above was placed in a mold having no metal block inside with the opening portion facing upward.
- a commercially available IC tag (approximately square card shape, size: 5 OmmX 5 OmmX 0.2 mm, operating frequency: 13.5 MHz, card shell material: ABS resin, memory capacity: 512 bit, memory with 512 bit data written in advance.) on the 50 mm x 50 mm surface so that one side of the IC tag is parallel to the tangential direction of the non-polished surface.
- One side was placed on the bottom, and the mold was closed by filling the remaining space in the opening with the pellet prepared in (1-1) above. Then, the mold is 14 MPa, 170. After heating at C for 18 minutes, a disk-shaped pad outline with a diameter of 60 Omm and a thickness of 2.5 mm was obtained.
- Example 4 When the chemical mechanical polishing performance was evaluated in the same manner as in Example 1 except that the chemical mechanical polishing pad produced above was used, the polishing rate was 21 OnmZ and the in-plane uniformity of the polishing amount was 1. The number of scratches was 3 per wafer overall.
- Example 4 When the chemical mechanical polishing performance was evaluated in the same manner as in Example 1 except that the chemical mechanical polishing pad produced above was used, the polishing rate was 21 OnmZ and the in-plane uniformity of the polishing amount was 1. The number of scratches was 3 per wafer overall.
- a pellet of a chemical mechanical polishing pad composition was obtained in the same manner as in Example 1, “(1 1 1) Preparation of chemical mechanical polishing pad composition”.
- This pellet is cross-linked by heating at 170 ° C for 18 minutes in a mold with a cylindrical metal block (diameter 75mm, height 1.1mm) centered at a point 48mm from the center of the lower plate. Diameter 60 Omm, thickness 2.5mm, back side (non-polished A disk-shaped molded body having an opening at the center of the surface to be formed was obtained.
- the disk-shaped molded body produced above was put into a mold having no metal blog inside with the opening portion facing upward.
- a commercially available IC tag (approximately square card shape, size: 5 OmmX 5 OmmX 0.2 mm, operating frequency: 13.5 MHz, card shell material: ABS resin, memory capacity: 512 bit, memory with 512 bits of data written in advance.)
- the remaining space in the opening was filled with the pellet prepared in (1-1) above, and the mold was closed.
- the mold was heated at 14 MPa at 170 ° C. for 18 minutes to obtain a disk-shaped rough pad shape having a diameter of 60 Omm and a thickness of 2.5 mm.
- a circular recess with a diameter of 75 mm and a depth of 0.6 mm is formed around a point 48 mm from the center of the non-polished side of the compact, and a chemical mechanical polishing pad is attached. Obtained.
- the position of the center of gravity of the IC tag included in this chemical mechanical polishing pad is 8% in the direction from the center of the polishing surface to the outer periphery in the radial direction of the polishing surface, and from the polishing surface in the thickness direction of the pad. It is 60% of the pad thickness in the direction toward the non-polished surface.
- this chemical mechanical polishing pad has a circular recess centered at a point of 48 mm in the direction from the center of the non-polishing surface to the outer periphery, and the shape of the IC tag projected onto the non-polishing surface is entirely Is within the range of the recess.
- the chemical mechanical polishing performance was evaluated in the same manner as in Example 1 except that the chemical mechanical polishing pad produced above was used.
- the polishing rate was 190 nm / min, and the in-plane uniformity of the polishing amount was 1
- the number of scratches was 3 per wafer. Comparative Example 1
- a chemical mechanical polishing pad was produced in the same manner as in Example 1 except that the mold temperature was 250 ° C. in “(1-3) Production of pad outline” in Example 1.
- a pellet of the chemical mechanical polishing pad composition was obtained in the same manner as in Example 1, “(1-1) Preparation of chemical mechanical polishing pad composition”.
- This pellet was heated at 170 for 18 minutes in a mold with a cylindrical metal block (diameter 75 mm, height 0.6 mm) centered at a point 300 mm from the center of the lower plate, and allowed to crosslink.
- a disk-shaped molded body having a diameter of 600 mm, a thickness of 2.5 mm, and an opening at the center of the surface to be the back surface (non-polished surface) was obtained.
- a disk-shaped pad rough shape having a diameter of 600 mm and a thickness of 2.5 mm was obtained in the same manner as in Example 3 except that the disk-shaped molded body produced above was used.
- a chemical mechanical polishing pad was obtained in the same manner as in Example 3 except that the pad outline produced above was used.
- the position of the center of gravity of the IC tag contained in this chemical mechanical polishing pad is In the radial direction of the polishing surface, the position is 50% from the center of the polishing surface to the outer periphery, and in the thickness direction of the pad, the position is 80% of the pad thickness in the direction from the polishing surface to the non-polishing surface. It is.
- the pellets were heated at 170 ° C for 18 minutes in a mold with a cylindrical metal block (diameter 75mm, height 1.6mm) centered at a point of 12 Omm from the center of the lower plate, and crosslinked.
- a disk-shaped molded body having an opening at the center of the surface to be the back surface (non-polished surface) was obtained.
- a disk-shaped pad rough shape having a diameter of 60 Omm and a thickness of 2.5 mm was obtained in the same manner as in Example 3 except that the disk-shaped molded body produced above was used.
- a commercially available cutting machine was used to form a circular recess with a diameter of 75 mm and a depth of 1.0 mm, centered at a point 120 mm from the center of the non-polished surface side of the compact, to obtain a chemical mechanical polishing pad. It was.
- the position of the center of gravity of the IC tag included in this chemical mechanical polishing pad is 20% in the direction from the center of the polishing surface to the outer periphery in the radial direction of the polishing surface, and from the polishing surface in the thickness direction of the pad. It is 40% of the pad thickness in the direction toward the non-polished surface.
- the chemical mechanical polishing pad has a circular recess centered at a point of 120 mm in the direction from the center of the non-polishing surface to the outer periphery, and the shape of the IC tag projected onto the non-polishing surface is entirely Force S is within the range of the recess.
- a pellet of the chemical mechanical polishing pad composition was obtained in the same manner as in Example 1, “(1 1 1) Preparation of chemical mechanical polishing pad composition”. (1-2) Manufacture of pad shape with opening
- the pellets were heated at 170 ° C for 18 minutes in a mold with a cylindrical metal block (diameter 75 mm, height 1.9 mm) centered at 42 Omm from the center of the lower plate, and allowed to crosslink.
- a disk-shaped molded body having an opening at the center of the surface to be the back surface (non-polished surface) was obtained.
- a disk-shaped pad rough shape having a diameter of 600 mm and a thickness of 2.5 mm was obtained in the same manner as in Example 3 except that the disk-shaped molded body produced above was used.
- a chemical mechanical polishing pad was obtained in the same manner as in Comparative Example 3 except that the pad outline produced above was used.
- the position of the center of gravity of the IC tag included in this chemical mechanical polishing pad is 70% in the direction from the center of the polishing surface to the outer periphery in the radial direction of the polishing surface, and is not positioned from the polishing surface in the thickness direction of the pad. It is 28% of the pad thickness in the direction toward the polishing surface.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07713711A EP1975985A4 (en) | 2006-01-25 | 2007-01-22 | CHEMICAL-MECHANICAL POLISHING ELEMENT AND METHOD OF MANUFACTURING THEREOF |
JP2007556027A JPWO2007086529A1 (ja) | 2006-01-25 | 2007-01-22 | 化学機械研磨パッドおよびその製造方法 |
US12/162,184 US20090053983A1 (en) | 2006-01-25 | 2007-01-22 | Chemical mechanical polishing pad and method for manufacturing same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006015944 | 2006-01-25 | ||
JP2006-015944 | 2006-01-25 |
Publications (1)
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WO2007086529A1 true WO2007086529A1 (ja) | 2007-08-02 |
Family
ID=38309314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/051315 WO2007086529A1 (ja) | 2006-01-25 | 2007-01-22 | 化学機械研磨パッドおよびその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090053983A1 (ja) |
EP (1) | EP1975985A4 (ja) |
JP (1) | JPWO2007086529A1 (ja) |
KR (1) | KR20080087012A (ja) |
CN (1) | CN101375374A (ja) |
TW (1) | TW200744787A (ja) |
WO (1) | WO2007086529A1 (ja) |
Cited By (2)
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JP2016207862A (ja) * | 2015-04-23 | 2016-12-08 | 株式会社ディスコ | 加工装置 |
JP2018535107A (ja) * | 2015-11-06 | 2018-11-29 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | Cmpプロセスのトラッキングデータを3d印刷されたcmp消耗材と組み合わせるための技法 |
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US7442116B2 (en) * | 2003-11-04 | 2008-10-28 | Jsr Corporation | Chemical mechanical polishing pad |
US8388410B2 (en) * | 2007-11-05 | 2013-03-05 | P.R. Hoffman Machine Products, Inc. | RFID-containing carriers used for silicon wafer quality |
WO2010146982A1 (ja) * | 2009-06-18 | 2010-12-23 | Jsr株式会社 | ポリウレタンおよびそれを含有する研磨層形成用組成物、ならびに化学機械研磨用パッドおよびそれを用いた化学機械研磨方法 |
JP5551479B2 (ja) * | 2010-03-19 | 2014-07-16 | ニッタ・ハース株式会社 | 研磨装置、研磨パッドおよび研磨情報管理システム |
US9873180B2 (en) | 2014-10-17 | 2018-01-23 | Applied Materials, Inc. | CMP pad construction with composite material properties using additive manufacturing processes |
US9776361B2 (en) | 2014-10-17 | 2017-10-03 | Applied Materials, Inc. | Polishing articles and integrated system and methods for manufacturing chemical mechanical polishing articles |
US10875145B2 (en) | 2014-10-17 | 2020-12-29 | Applied Materials, Inc. | Polishing pads produced by an additive manufacturing process |
US10399201B2 (en) | 2014-10-17 | 2019-09-03 | Applied Materials, Inc. | Advanced polishing pads having compositional gradients by use of an additive manufacturing process |
US10875153B2 (en) | 2014-10-17 | 2020-12-29 | Applied Materials, Inc. | Advanced polishing pad materials and formulations |
CN113579992A (zh) | 2014-10-17 | 2021-11-02 | 应用材料公司 | 使用加成制造工艺的具复合材料特性的cmp衬垫建构 |
US11745302B2 (en) | 2014-10-17 | 2023-09-05 | Applied Materials, Inc. | Methods and precursor formulations for forming advanced polishing pads by use of an additive manufacturing process |
WO2017074773A1 (en) | 2015-10-30 | 2017-05-04 | Applied Materials, Inc. | An apparatus and method of forming a polishing article that has a desired zeta potential |
US10391605B2 (en) | 2016-01-19 | 2019-08-27 | Applied Materials, Inc. | Method and apparatus for forming porous advanced polishing pads using an additive manufacturing process |
JP6990980B2 (ja) | 2017-03-31 | 2022-01-12 | 株式会社荏原製作所 | 基板処理装置 |
US11471999B2 (en) | 2017-07-26 | 2022-10-18 | Applied Materials, Inc. | Integrated abrasive polishing pads and manufacturing methods |
WO2019032286A1 (en) | 2017-08-07 | 2019-02-14 | Applied Materials, Inc. | ABRASIVE DISTRIBUTION POLISHING PADS AND METHODS OF MAKING SAME |
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KR20210042171A (ko) | 2018-09-04 | 2021-04-16 | 어플라이드 머티어리얼스, 인코포레이티드 | 진보한 폴리싱 패드들을 위한 제형들 |
US11806829B2 (en) | 2020-06-19 | 2023-11-07 | Applied Materials, Inc. | Advanced polishing pads and related polishing pad manufacturing methods |
US11878389B2 (en) | 2021-02-10 | 2024-01-23 | Applied Materials, Inc. | Structures formed using an additive manufacturing process for regenerating surface texture in situ |
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JP2016207862A (ja) * | 2015-04-23 | 2016-12-08 | 株式会社ディスコ | 加工装置 |
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JP2022023027A (ja) * | 2015-11-06 | 2022-02-07 | アプライド マテリアルズ インコーポレイテッド | Cmpプロセスのトラッキングデータを3d印刷されたcmp消耗材と組み合わせるための技法 |
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Also Published As
Publication number | Publication date |
---|---|
JPWO2007086529A1 (ja) | 2009-06-25 |
US20090053983A1 (en) | 2009-02-26 |
KR20080087012A (ko) | 2008-09-29 |
CN101375374A (zh) | 2009-02-25 |
EP1975985A1 (en) | 2008-10-01 |
TW200744787A (en) | 2007-12-16 |
EP1975985A4 (en) | 2011-08-10 |
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