DE69904374D1 - Vorrichtung und Verfahren zum Herstellen von zweifarbigen Mikrokugeln - Google Patents

Vorrichtung und Verfahren zum Herstellen von zweifarbigen Mikrokugeln

Info

Publication number
DE69904374D1
DE69904374D1 DE69904374T DE69904374T DE69904374D1 DE 69904374 D1 DE69904374 D1 DE 69904374D1 DE 69904374 T DE69904374 T DE 69904374T DE 69904374 T DE69904374 T DE 69904374T DE 69904374 D1 DE69904374 D1 DE 69904374D1
Authority
DE
Germany
Prior art keywords
producing
colored microspheres
microspheres
colored
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 - Lifetime
Application number
DE69904374T
Other languages
English (en)
Other versions
DE69904374T2 (de
Inventor
Edward A Richley
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69904374D1 publication Critical patent/DE69904374D1/de
Publication of DE69904374T2 publication Critical patent/DE69904374T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/026—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light based on the rotation of particles under the influence of an external field, e.g. gyricons, twisting ball displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
DE69904374T 1998-01-09 1999-01-04 Vorrichtung und Verfahren zum Herstellen von zweifarbigen Mikrokugeln Expired - Lifetime DE69904374T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/004,959 US5976428A (en) 1998-01-09 1998-01-09 Method and apparatus for controlling formation of two-color balls for a twisting ball display

Publications (2)

Publication Number Publication Date
DE69904374D1 true DE69904374D1 (de) 2003-01-23
DE69904374T2 DE69904374T2 (de) 2003-05-15

Family

ID=21713404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69904374T Expired - Lifetime DE69904374T2 (de) 1998-01-09 1999-01-04 Vorrichtung und Verfahren zum Herstellen von zweifarbigen Mikrokugeln

Country Status (5)

Country Link
US (1) US5976428A (de)
EP (1) EP0928681B1 (de)
JP (1) JP4175712B2 (de)
CA (1) CA2257756C (de)
DE (1) DE69904374T2 (de)

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US6980352B1 (en) 2004-07-07 2005-12-27 Xerox Corporation Encapsulated bichromal gyricon display
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Also Published As

Publication number Publication date
EP0928681A1 (de) 1999-07-14
JP4175712B2 (ja) 2008-11-05
EP0928681B1 (de) 2002-12-11
JPH11314258A (ja) 1999-11-16
US5976428A (en) 1999-11-02
CA2257756C (en) 2002-04-30
DE69904374T2 (de) 2003-05-15
CA2257756A1 (en) 1999-07-09

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