FR2291826B3 - - Google Patents

Info

Publication number
FR2291826B3
FR2291826B3 FR7535823A FR7535823A FR2291826B3 FR 2291826 B3 FR2291826 B3 FR 2291826B3 FR 7535823 A FR7535823 A FR 7535823A FR 7535823 A FR7535823 A FR 7535823A FR 2291826 B3 FR2291826 B3 FR 2291826B3
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7535823A
Other languages
French (fr)
Other versions
FR2291826A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Speedfam Corp
Original Assignee
Speedfam Corp
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 by Speedfam Corp filed Critical Speedfam Corp
Publication of FR2291826A1 publication Critical patent/FR2291826A1/fr
Application granted granted Critical
Publication of FR2291826B3 publication Critical patent/FR2291826B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
    • B24B37/10—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping
    • B24B37/102—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping the workpieces or work carriers being able to rotate freely due to a frictional contact with the lapping tool
    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
    • C07D219/04—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
    • C07D219/08—Nitrogen atoms
    • C07D219/10—Nitrogen atoms attached in position 9
    • C07D219/12—Amino-alkylamino radicals attached in position 9

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
FR7535823A 1974-11-25 1975-11-24 Dispositif de reference pour appareil limiteur de machine a roder Granted FR2291826A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US526612A US3898770A (en) 1974-11-25 1974-11-25 Lapping fixture reference plate assembly

Publications (2)

Publication Number Publication Date
FR2291826A1 FR2291826A1 (fr) 1976-06-18
FR2291826B3 true FR2291826B3 (lt) 1978-08-25

Family

ID=24098043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535823A Granted FR2291826A1 (fr) 1974-11-25 1975-11-24 Dispositif de reference pour appareil limiteur de machine a roder

Country Status (7)

Country Link
US (1) US3898770A (lt)
JP (1) JPS5341399B2 (lt)
DE (1) DE2551762A1 (lt)
FR (1) FR2291826A1 (lt)
GB (1) GB1458183A (lt)
NL (1) NL7513621A (lt)
SU (1) SU971080A3 (lt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4899053A (en) * 1987-10-21 1990-02-06 Criticare Systems, Inc. Solid state non-dispersive IR analyzer using electrical current-modulated microsources
US5193316A (en) * 1991-10-29 1993-03-16 Texas Instruments Incorporated Semiconductor wafer polishing using a hydrostatic medium
US5931724A (en) * 1997-07-11 1999-08-03 Applied Materials, Inc. Mechanical fastener to hold a polishing pad on a platen in a chemical mechanical polishing system
US5957763A (en) * 1997-09-19 1999-09-28 Speedfam Corporation Polishing apparatus with support columns supporting multiple platform members
NZ627596A (en) * 2012-06-27 2015-07-31 M3S Holdings Pty Ltd Combination reinforcing coupler and column alignment device
US9387569B2 (en) * 2013-04-27 2016-07-12 John Blick Leather head finishing system having plurality of apertures and angled shoe rails

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090169A (en) * 1961-05-11 1963-05-21 Stephen A Boettcher Lapping machine fixture
US3388506A (en) * 1964-11-16 1968-06-18 Speedlap Corp Lap limiting fixture means

Also Published As

Publication number Publication date
GB1458183A (en) 1976-12-08
JPS5341399B2 (lt) 1978-11-02
JPS5192497A (lt) 1976-08-13
NL7513621A (nl) 1976-05-28
US3898770A (en) 1975-08-12
SU971080A3 (ru) 1982-10-30
FR2291826A1 (fr) 1976-06-18
DE2551762A1 (de) 1976-05-26

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Legal Events

Date Code Title Description
ST Notification of lapse