2.
    发明专利
    未知

    公开(公告)号:DE2833144A1

    公开(公告)日:1979-02-22

    申请号:DE2833144

    申请日:1978-07-28

    Applicant: IBM

    Abstract: The lifetime of multiple capillary nozzle assemblies embedded in a glass mass, of a multiple nozzle ink-jet printer, can be increased and the thermal and mechanical compatibility of the resulting package enhanced by fabrication of the nozzles from glass compositions comprised of SiO2, ZrO2, Na2O, K2O and MgO. Inclusion of ZrO2 as well as minor amounts of BaO, MgO, CaO, and Al2O3 enhances the alkali resistance of the glass nozzles. Also, the high SiO2 content of the glasses combined with the presence of ZrO2, MgO, CaO, and Al2O3 imparts an acid resistance to the nozzles.

    6.
    发明专利
    未知

    公开(公告)号:DE2613502A1

    公开(公告)日:1976-11-18

    申请号:DE2613502

    申请日:1976-03-30

    Applicant: IBM

    Abstract: A copper oxide containing seal glass is formed by a controlled low temperature process which reduces the formation of seeds in the glass. In one embodiment the glass is prepared in two portions with the first portion containing the high melting oxides and the second portion containing the low melting oxides. The copper oxide is added to the second portion and the two portions are combined to form the seal glass at temperatures below about 800 DEG C which reduces the formation of Cu2O crystals in the glass.

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