WO2001096959A3 - Multidirectional photoreactive absorption method - Google Patents

Multidirectional photoreactive absorption method Download PDF

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Publication number
WO2001096959A3
WO2001096959A3 PCT/US2001/019124 US0119124W WO0196959A3 WO 2001096959 A3 WO2001096959 A3 WO 2001096959A3 US 0119124 W US0119124 W US 0119124W WO 0196959 A3 WO0196959 A3 WO 0196959A3
Authority
WO
WIPO (PCT)
Prior art keywords
photoreactive
photoreactive composition
light
providing
absorption
Prior art date
Application number
PCT/US2001/019124
Other languages
French (fr)
Other versions
WO2001096959A2 (en
Inventor
Patrick R Fleming
Robert J Devoe
Catherine A Leatherdale
Todd A Ballen
Jeffrey M Florczak
Original Assignee
3M Innovative Properties Co
Patrick R Fleming
Robert J Devoe
Catherine A Leatherdale
Todd A Ballen
Jeffrey M Florczak
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 3M Innovative Properties Co, Patrick R Fleming, Robert J Devoe, Catherine A Leatherdale, Todd A Ballen, Jeffrey M Florczak filed Critical 3M Innovative Properties Co
Priority to EP01944513.9A priority Critical patent/EP1292861B1/en
Priority to JP2002511024A priority patent/JP2004503928A/en
Priority to AU2001266918A priority patent/AU2001266918A1/en
Priority to US10/297,961 priority patent/US7790353B2/en
Publication of WO2001096959A2 publication Critical patent/WO2001096959A2/en
Publication of WO2001096959A3 publication Critical patent/WO2001096959A3/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/20—Exposure; Apparatus therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/20—Exposure; Apparatus therefor
    • G03F7/2051—Exposure without an original mask, e.g. using a programmed deflection of a point source, by scanning, by drawing with a light beam, using an addressed light or corpuscular source

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Polymerisation Methods In General (AREA)
  • Materials For Photolithography (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Lasers (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

A method for enhancing photoreactive absorption in a specified volume element of a photoreactive composition. In one embodiment, the method includes: providing a photoreactive composition; providing a source of light (preferably, a pulsed laser) sufficient for simultaneous absorption of at least two photons by the photoreactive composition, the light source having a beam capable of being divided; dividing the light beam into a plurality of equal path length exposure beams; and focusing the exposure beams in a substantially non-counter propagating manner at a single volume element of the photoreactive composition simultaneously to react at least a portion of the photoreactive composition. In another embodiment, a method includes: providing a photoreactive composition capable of photoreactive absorption; and exposing the photoreactive composition to laser light from a plurality of substantially non-counter propagating directions simultaneously, wherein the light overlaps in time and space at a predetermined focus spot.
PCT/US2001/019124 2000-06-15 2001-06-14 Multidirectional photoreactive absorption method WO2001096959A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP01944513.9A EP1292861B1 (en) 2000-06-15 2001-06-14 Multidirectional photoreactive absorption method
JP2002511024A JP2004503928A (en) 2000-06-15 2001-06-14 Multi-directional photoreaction absorption method
AU2001266918A AU2001266918A1 (en) 2000-06-15 2001-06-14 Multidirectional photoreactive absorption method
US10/297,961 US7790353B2 (en) 2000-06-15 2001-06-14 Multidirectional photoreactive absorption method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21170800P 2000-06-15 2000-06-15
US60/211,708 2000-06-15

Publications (2)

Publication Number Publication Date
WO2001096959A2 WO2001096959A2 (en) 2001-12-20
WO2001096959A3 true WO2001096959A3 (en) 2002-05-02

Family

ID=22788030

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/019124 WO2001096959A2 (en) 2000-06-15 2001-06-14 Multidirectional photoreactive absorption method

Country Status (6)

Country Link
US (1) US7790353B2 (en)
EP (1) EP1292861B1 (en)
JP (1) JP2004503928A (en)
KR (1) KR100811017B1 (en)
AU (1) AU2001266918A1 (en)
WO (1) WO2001096959A2 (en)

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