CA977970A - Lap plate - Google Patents

Lap plate

Info

Publication number
CA977970A
CA977970A CA199,806A CA199806A CA977970A CA 977970 A CA977970 A CA 977970A CA 199806 A CA199806 A CA 199806A CA 977970 A CA977970 A CA 977970A
Authority
CA
Canada
Prior art keywords
lap plate
lap
plate
Prior art date
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
CA199,806A
Other versions
CA199806S (en
Inventor
Lawrence Day
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.)
Spitfire Tool and Machine Co Inc
Original Assignee
Spitfire Tool and Machine Co Inc
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 Spitfire Tool and Machine Co Inc filed Critical Spitfire Tool and Machine Co Inc
Application granted granted Critical
Publication of CA977970A publication Critical patent/CA977970A/en
Expired 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
    • B24B37/11—Lapping tools
    • B24B37/20—Lapping pads for working plane surfaces
    • B24B37/26—Lapping pads for working plane surfaces characterised by the shape of the lapping pad surface, e.g. grooved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
CA199,806A 1973-12-17 1974-05-14 Lap plate Expired CA977970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US425328A US3921342A (en) 1973-12-17 1973-12-17 Lap plate

Publications (1)

Publication Number Publication Date
CA977970A true CA977970A (en) 1975-11-18

Family

ID=23686080

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199,806A Expired CA977970A (en) 1973-12-17 1974-05-14 Lap plate

Country Status (2)

Country Link
US (1) US3921342A (en)
CA (1) CA977970A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019289A (en) * 1976-02-23 1977-04-26 Clayton Paul Korver Replaceable lens surfacing pad with integral wear indicating pattern
US4821461A (en) * 1987-11-23 1989-04-18 Magnetic Peripherals Inc. Textured lapping plate and process for its manufacture
FR2639278B1 (en) * 1988-11-22 1991-01-11 Lam Plan Sa POLISHING TRAY
FR2658747B1 (en) * 1990-02-23 1992-07-03 Cice Sa RODING MACHINE AND TRACK WITH A VARIABLE PITCH FOR A SUCH MACHINE.
US6135856A (en) * 1996-01-19 2000-10-24 Micron Technology, Inc. Apparatus and method for semiconductor planarization
JP3056714B2 (en) * 1997-10-06 2000-06-26 松下電子工業株式会社 Polishing method for semiconductor substrate
JPH11333703A (en) * 1998-05-28 1999-12-07 Speedfam-Ipec Co Ltd Polishing machine
US6585559B1 (en) 1999-04-02 2003-07-01 Engis Corporation Modular controlled platen preparation system and method
US6602108B2 (en) 1999-04-02 2003-08-05 Engis Corporation Modular controlled platen preparation system and method
WO2000059644A1 (en) * 1999-04-02 2000-10-12 Engis Corporation Modular controlled platen preparation system and method
US8062098B2 (en) 2000-11-17 2011-11-22 Duescher Wayne O High speed flat lapping platen
US7632434B2 (en) * 2000-11-17 2009-12-15 Wayne O. Duescher Abrasive agglomerate coated raised island articles
US8545583B2 (en) 2000-11-17 2013-10-01 Wayne O. Duescher Method of forming a flexible abrasive sheet article
US7520800B2 (en) 2003-04-16 2009-04-21 Duescher Wayne O Raised island abrasive, lapping apparatus and method of use
US8256091B2 (en) 2000-11-17 2012-09-04 Duescher Wayne O Equal sized spherical beads
US7840300B2 (en) * 2006-05-31 2010-11-23 Robert Arthur Harker Full spectrum lapidary 3D image scanner and method
US9221148B2 (en) 2009-04-30 2015-12-29 Rdc Holdings, Llc Method and apparatus for processing sliders for disk drives, and to various processing media for the same
US8801497B2 (en) 2009-04-30 2014-08-12 Rdc Holdings, Llc Array of abrasive members with resilient support
US20100330890A1 (en) 2009-06-30 2010-12-30 Zine-Eddine Boutaghou Polishing pad with array of fluidized gimballed abrasive members
US9205530B2 (en) 2010-07-07 2015-12-08 Seagate Technology Llc Lapping a workpiece
US9522454B2 (en) 2012-12-17 2016-12-20 Seagate Technology Llc Method of patterning a lapping plate, and patterned lapping plates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059863A (en) * 1959-04-06 1962-10-23 Bolton John W & Sons Inc Segmental filling for refiner plugs
US3128580A (en) * 1963-01-30 1964-04-14 Super Cut Composite lap for grinding and polishing machines
US3324607A (en) * 1964-08-13 1967-06-13 Super Cut Rotary grinding tool with interrupted abrasive helicoid
DE1757328B1 (en) * 1968-04-25 1971-05-06 Voith Gmbh J M Process for manufacturing grinding tools for refiners, defibrators or the like.

Also Published As

Publication number Publication date
US3921342A (en) 1975-11-25

Similar Documents

Publication Publication Date Title
CA1002994A (en) Fastening means
AU474137B2 (en) Auto-refractometer
AU468964B2 (en) Melik
AU475303B2 (en) Novel cyclopropanecaboxlates
CA977970A (en) Lap plate
CA1032480A (en) Plate dialyzer
AU498889B2 (en) Piperidylene benzocycloheptathiophenes
AU476397B2 (en) A-cycloalkylbenzyl lactamimides
AU476505B2 (en) Alkylbenxyl lactamimides
AU472907B2 (en) Firecheck
CA1034582A (en) Biphenyl-derivatives
AU476386B2 (en) Dibenzocycloheptenyl lactamimides
CA1001005A (en) Center plate contour
AU471241B2 (en) Benzothiazolylureas
AU478255B2 (en) Center plate
CA1005955A (en) Dock plate
CA1024307A (en) Dock plate
AU6950574A (en) Center plate
AU484442B2 (en) Novel benzylpyrimidines
AU486365B2 (en) Novel pseudotrisaccharides
AU489559B2 (en) Amidinoureas
AU489560B2 (en) Amidinoureas
AU478880B2 (en) 3-isoxazolidinones
AU479426B2 (en) Carbothiolates
AU481998B2 (en) Benzenedisulfonamides