HK1017335A1 - Method and apparatus for cutting through a flat workpiece made of brittle material, especially glass. - Google Patents

Method and apparatus for cutting through a flat workpiece made of brittle material, especially glass.

Info

Publication number
HK1017335A1
HK1017335A1 HK99102408A HK99102408A HK1017335A1 HK 1017335 A1 HK1017335 A1 HK 1017335A1 HK 99102408 A HK99102408 A HK 99102408A HK 99102408 A HK99102408 A HK 99102408A HK 1017335 A1 HK1017335 A1 HK 1017335A1
Authority
HK
Hong Kong
Prior art keywords
heat radiation
spot
separation line
cutting
brittle material
Prior art date
Application number
HK99102408A
Other languages
English (en)
Inventor
Heinrich Ostendarp
Juergen Stein
Christoph Hermanns
Georg Geissler
Dirk Hauer
Ralf Steinfartz
Bernd Hoetzel
Andrew Blunck
Original Assignee
Schott Ag
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
Priority claimed from DE1997115537 external-priority patent/DE19715537C2/de
Application filed by Schott Ag filed Critical Schott Ag
Publication of HK1017335A1 publication Critical patent/HK1017335A1/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/073—Shaping the laser spot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
    • B23K26/0821—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head using multifaceted mirrors, e.g. polygonal mirror
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/40—Removing material taking account of the properties of the material involved
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/09—Severing cooled glass by thermal shock
    • C03B33/091—Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/10—Methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/304—Including means to apply thermal shock to work
HK99102408A 1997-04-14 1999-05-28 Method and apparatus for cutting through a flat workpiece made of brittle material, especially glass. HK1017335A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997115537 DE19715537C2 (de) 1997-04-14 1997-04-14 Verfahren und Vorrichtung zum Durchtrennen von flachen Werkstücken aus sprödem Material, insbesondere aus Glas
DE19734823 1997-08-12

Publications (1)

Publication Number Publication Date
HK1017335A1 true HK1017335A1 (en) 1999-11-19

Family

ID=26035761

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99102408A HK1017335A1 (en) 1997-04-14 1999-05-28 Method and apparatus for cutting through a flat workpiece made of brittle material, especially glass.

Country Status (10)

Country Link
US (2) US5984159A (fr)
EP (1) EP0872303B1 (fr)
JP (1) JP3484603B2 (fr)
KR (1) KR100375592B1 (fr)
CN (1) CN1203013C (fr)
AT (1) ATE242675T1 (fr)
DE (1) DE59808669D1 (fr)
HK (1) HK1017335A1 (fr)
MY (1) MY120533A (fr)
TW (1) TW460422B (fr)

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CN1203013C (zh) 2005-05-25
US6112967A (en) 2000-09-05
EP0872303A2 (fr) 1998-10-21
MY120533A (en) 2005-11-30
ATE242675T1 (de) 2003-06-15
US5984159A (en) 1999-11-16
CN1203202A (zh) 1998-12-30
JP3484603B2 (ja) 2004-01-06
KR19980081136A (ko) 1998-11-25
EP0872303B1 (fr) 2003-06-11
DE59808669D1 (de) 2003-07-17
EP0872303A3 (fr) 1999-12-01
KR100375592B1 (ko) 2003-05-12
JPH1121141A (ja) 1999-01-26
TW460422B (en) 2001-10-21

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