Method of producing silicon carbide powder
    11.
    发明授权
    Method of producing silicon carbide powder 失效
    生产碳化硅粉末的方法

    公开(公告)号:US4226841A

    公开(公告)日:1980-10-07

    申请号:US18264

    申请日:1979-03-07

    IPC分类号: C01B31/36 C04B35/565

    摘要: A method of producing a silicon carbide powder consisting of fine particles of uniform shape and size, comprising baking at 1,350.degree. to 1,850.degree. C. under a non-oxidizing atmosphere a powdery mixture consisting of 1 part by weight of silica powder or a compound forming silica powder at high temperatures, carbon powder or a compound forming carbon powder at high temperatures, and silicon carbide or a substance forming silicon carbide at high temperatures, the amounts of the silica powder-forming compounds, the carbon powder-forming compounds and the silicon carbide powder-forming substance being determined such that the amounts of the formed powders are equal to those specified above.

    摘要翻译: 一种由均匀形状和尺寸的细颗粒组成的碳化硅粉末的制造方法,包括在非氧化气氛下在1350℃至1850℃下烘烤的粉末混合物,所述混合物由1重量份的二氧化硅粉末或形成 高温下的二氧化硅粉末,碳粉或高温下形成碳粉的化合物,以及碳化硅或高温下形成碳化硅的物质,二氧化硅粉末形成化合物,碳粉末形成化合物和硅的量 确定碳化物粉末形成物质使得所形成的粉末的量等于上述规定的量。

    Method for preparing coated powder
    12.
    发明授权
    Method for preparing coated powder 失效
    涂层粉末的制备方法

    公开(公告)号:US4572844A

    公开(公告)日:1986-02-25

    申请号:US602447

    申请日:1984-04-20

    摘要: There is disclosed a method for preparing a coated powder comprising the steps of adding a carbon powder and an aluminum nitride powder to a methylsilicic acid powder or a precursor of the methylsilicic acid and mixing them and then subjecting the resulting mixed powder to a heat treatment in an atmosphere including an inert gas or a carbon component-containing gas in order to coat the aluminum nitride powder with silicon carbide.This invention provides a chemically stable coated powder and a sintered body obtained by employing the coated powder has a good thermal conductivity.

    摘要翻译: 公开了一种制备涂覆粉末的方法,包括以下步骤:向甲基硅酸粉末或甲基硅酸的前体中加入碳粉和氮化铝粉末,并将其混合,然后将所得混合粉末进行热处理 包括惰性气体或含碳成分气体的气氛,以便用碳化硅涂覆氮化铝粉末。 本发明提供了一种化学稳定的涂布粉末,并且通过使用涂覆的粉末获得的烧结体具有良好的导热性。

    Process for producing sintered silicon nitride-base body
    13.
    发明授权
    Process for producing sintered silicon nitride-base body 失效
    烧结氮化硅基体的制造方法

    公开(公告)号:US4511525A

    公开(公告)日:1985-04-16

    申请号:US443678

    申请日:1982-11-22

    CPC分类号: C04B35/597 C04B35/584

    摘要: Disclosed is a process for producing a sintered silicon nitride-base body, which comprises; mixing powder (A) of heat-treated or not heat-treated silicon nitride powder and powder (B) of powder obtained by heat-treating a powdery mixture of silicon nitride powder and a sintering additive in a non-oxidizing atmosphere and then grinding the resulting heat-treated products into powder; and forming the resultant powdery mixture into a desired shape, which is then sintered in a non-oxidizing atmosphere.The process is characterized by heating powder (B), or powder (A) and powder (B), before sintering, thereby producing sintered silicon nitride body of highly improved properties.

    摘要翻译: 公开了一种生产氮化硅烧结体的方法,其包括: 将经热处理或未经热处理的氮化硅粉末的粉末(A)和通过在非氧化性气氛中热处理氮化硅粉末和烧结添加剂的粉末混合物得到的粉末(B)混合,然后研磨 将热处理产物变成粉末; 并将所得粉末混合物形成所需形状,然后在非氧化气氛中烧结。 该方法的特征在于在烧结之前加热粉末(B)或粉末(A)和粉末(B),由此制备具有高度改进性能的烧结氮化硅体。

    Sintered bodies of aluminum nitride
    14.
    发明授权
    Sintered bodies of aluminum nitride 失效
    氮化铝烧结体

    公开(公告)号:US4435513A

    公开(公告)日:1984-03-06

    申请号:US420842

    申请日:1982-09-21

    CPC分类号: C04B35/581

    摘要: There is disclosed a sintered body of aluminum nitride comprising a sintered body of powder mixture containing(a) AlN powder: 100 parts by weight,(b) at least one compound selected from CaO, BaO, SrO and a compound capable of being converted into one of these oxides by sintering : 0.05 to 6 parts by weight, and(c) carbon powder or powder of a compound capable of being converted into carbon by sintering : more than 0 to not more than 7 parts by weight.The sintered bodies of aluminum nitride according to this invention have high density and excellent properties such as high thermal conductivity.

    摘要翻译: 公开了一种氮化铝烧结体,其包含粉末混合物烧结体,其包含(a)AlN粉末:100重量份,(b)至少一种选自CaO,BaO,SrO的化合物和能够转化为 这些氧化物中的一种通过烧结:0.05〜6重量份,和(c)通过烧结能够转化为碳的化合物的碳粉末或粉末:大于0重量%且不大于7重量份。 根据本发明的氮化铝烧结体具有高密度和优异的性能,例如高导热性。

    Tactile sensation providing apparatus

    公开(公告)号:US11099648B2

    公开(公告)日:2021-08-24

    申请号:US13818962

    申请日:2011-08-11

    IPC分类号: G06F3/044 G06F3/01

    摘要: A tactile sensation providing apparatus, so as to reduce an influence by provision of a tactile sensation on detection of a position by a touch sensor, includes a touch sensor 11, a tactile sensation providing unit 12 disposed near the sensor 11 and configured to vibrate the sensor 11, a touch sensor control unit 20 configured to transmit a scanning signal to the sensor 11 and, by receiving the signal from the sensor 11, to detect the position of the contact to the sensor, signal lines 16, 18 configured to transmit the signal between the sensor 11 and the control unit 20, and a tactile sensation control unit 30 configured to, based on the position of the contact detected by the control unit 20, control the providing unit 12 to vibrate the sensor 11. The providing unit 12 is disposed avoiding overlapping with the lines 16, 18.