IT1258972B - Dispositivo e procedimento per arrotondare gli spigoli di rondelle di semi-conduttori - Google Patents

Dispositivo e procedimento per arrotondare gli spigoli di rondelle di semi-conduttori

Info

Publication number
IT1258972B
IT1258972B ITMI921435A ITMI921435A IT1258972B IT 1258972 B IT1258972 B IT 1258972B IT MI921435 A ITMI921435 A IT MI921435A IT MI921435 A ITMI921435 A IT MI921435A IT 1258972 B IT1258972 B IT 1258972B
Authority
IT
Italy
Prior art keywords
semi
rounding
edges
procedure
washers
Prior art date
Application number
ITMI921435A
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of ITMI921435A0 publication Critical patent/ITMI921435A0/it
Publication of ITMI921435A1 publication Critical patent/ITMI921435A1/it
Application granted granted Critical
Publication of IT1258972B publication Critical patent/IT1258972B/it

Links

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
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/065—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of thin, brittle parts, e.g. semiconductors, wafers

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

Si descrivono un procedimento e un apparecchio per la lavorazione di dischi semi-conduttori mediante l'uso di dischi di molatura non profilati, sottoponendo il pezzo rotante e il disco di molatura e una adatta sequenza di movimenti relativi uno rispetto all'altro.
ITMI921435A 1991-06-18 1992-06-11 Dispositivo e procedimento per arrotondare gli spigoli di rondelle di semi-conduttori IT1258972B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4120003A DE4120003A1 (de) 1991-06-18 1991-06-18 Vorrichtung und verfahren zum kantenverrunden von halbleiterronden

Publications (3)

Publication Number Publication Date
ITMI921435A0 ITMI921435A0 (it) 1992-06-11
ITMI921435A1 ITMI921435A1 (it) 1993-12-11
IT1258972B true IT1258972B (it) 1996-03-11

Family

ID=6434168

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI921435A IT1258972B (it) 1991-06-18 1992-06-11 Dispositivo e procedimento per arrotondare gli spigoli di rondelle di semi-conduttori

Country Status (6)

Country Link
JP (1) JPH05177524A (it)
KR (1) KR930001332A (it)
DE (1) DE4120003A1 (it)
FR (1) FR2677912A1 (it)
GB (1) GB2256822A (it)
IT (1) IT1258972B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4325518A1 (de) * 1993-07-29 1995-02-02 Wacker Chemitronic Verfahren zur Glättung der Kante von Halbleiterscheiben
KR100928789B1 (ko) * 2002-12-13 2009-11-25 주식회사 포스코 허스롤의 브러싱용 강판의 제조방법 및 허스롤의 브러싱방법
KR100923433B1 (ko) * 2007-08-09 2009-10-27 조봉원 다수의 돌기부재를 가진 회전식 형상가공형 광택기
CN102490099B (zh) * 2011-11-26 2015-04-01 深圳市合川科技有限公司 立式皮料磨边机的磨刀
CN109352453A (zh) * 2018-10-23 2019-02-19 湖州华豪机械有限公司 彩钢板去毛刺装置
CN112548859B (zh) * 2020-12-04 2021-11-09 西安博奥达金刚石工磨具有限公司 一种高精度双刃金刚石滚轮及其制造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054010A (en) * 1976-01-20 1977-10-18 Headway Research, Inc. Apparatus for grinding edges of planar workpieces
JPS5454337A (en) * 1977-09-27 1979-04-28 Ragunaa Subante Yonsuson Urufu Valve
JPS5484686A (en) * 1977-12-17 1979-07-05 Hitachi Zosen Corp Dressing method of metal bond grind stone
JPS57173447A (en) * 1981-04-16 1982-10-25 Nakamuratome Seimitsu Kogyo Kk Working device for outer circumference of material difficult to be ground
GB2123724B (en) * 1982-05-04 1986-07-09 Tokyo Shibaura Electric Co Machining the periphery of work
JPH0230465A (ja) * 1988-07-20 1990-01-31 Mento Kenkyusho:Kk 研削方法および装置
US5117590A (en) * 1988-08-12 1992-06-02 Shin-Etsu Handotai Co., Ltd. Method of automatically chamfering a wafer and apparatus therefor
JPH06104297B2 (ja) * 1989-04-27 1994-12-21 信越半導体株式会社 半導体ウエーハの面取り装置
DE3928514A1 (de) * 1989-08-29 1991-03-14 Thielenhaus Maschf Verfahren zur feinschleifbearbeitung der stirnflaeche eines zylindrischen werkstueckes
US5094037A (en) * 1989-10-03 1992-03-10 Speedfam Company, Ltd. Edge polisher

Also Published As

Publication number Publication date
JPH05177524A (ja) 1993-07-20
DE4120003C2 (it) 1993-07-29
FR2677912A1 (fr) 1992-12-24
GB2256822A (en) 1992-12-23
KR930001332A (ko) 1993-01-16
DE4120003A1 (de) 1992-12-24
GB9212891D0 (en) 1992-07-29
ITMI921435A0 (it) 1992-06-11
ITMI921435A1 (it) 1993-12-11

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Legal Events

Date Code Title Description
0001 Granted