Abstract:
A sapphire substrate includes a generally planar surface having a crystallographic orientation selected from the group consisting of a-plane, r-plane, m-plane, and c-plane orientations, and having a nTTV of not greater than about 0.037 µm/cm 2 , wherein nTTV is total thickness variation normalized for surface area of teh generally planar surface, the substrate having a diameter not less than about 9.0 cm.
Abstract:
A Coulombic electrostatic chuck is disclosed which includes a substrate, a conductive layer overlying the substrate, and an arc elimination layer overlying the conductive layer. The electrostatic chuck further includes a high-k dielectric layer overlying the arc elimination layer, wherein the high-k dielectric layer has a dielectric constant of not less than about 10 and a resistivity of not less than about 1011 Ohm-cm.
Abstract translation:公开了一种库仑静电吸盘,其包括衬底,覆盖衬底的导电层以及覆盖导电层的电弧消除层。 静电卡盘还包括覆盖在电弧消除层上的高k介电层,其中高k介电层具有不小于约10的介电常数和不小于约1011欧姆 - 厘米的电阻率。 p >
Abstract:
An electrostatic chuck is disclosed which includes a substrate, a patterned conductive layer overlying the substrate, such that the patterned conductive layer is defining electrode pathways separated by gaps. The electrostatic chuck also includes a resistive layer overlying the patterned conductive layer and a low-k dielectric layer overlying the substrate and disposed in the gaps between the electrode pathways. The low-k dielectric layer includes a material having a different phase than the material of the substrate.
Abstract:
A susceptor for holding a single crystal wafer for LED production is provided which includes a susceptor body having a recess for receiving a single crystal wafer, wherein the recess has a surface having a surface roughness (R max 191) of not greater than about 10 microns. The susceptor body also includes silicon impregnated silicon carbide and a nitride layer overlying the susceptor body.
Abstract translation:提供了用于保持用于LED生产的单晶晶片的感受体,其包括具有用于接收单晶晶片的凹部的基座主体,其中所述凹部具有表面粗糙度(R max max)191的表面, 不大于约10微米。 基座体还包括硅浸渍的碳化硅和覆盖基座主体的氮化物层。
Abstract:
A susceptor for holding a single crystal wafer for LED production is provided which includes a susceptor body having a recess for receiving a single crystal wafer, wherein the recess has a surface having a surface roughness (R max 191) of not greater than about 10 microns. The susceptor body also includes silicon impregnated silicon carbide and a nitride layer overlying the susceptor body.
Abstract:
An article-is provided that includes a substrate and a corrosion-resistant coating provided on the substrate. The substrate generally consists essentially of alumina, and the corrosion-resistant coating is provided so as to directed contact the substrate without the provision of intervening layers between the substrate and the corrosion-resistant coatin, such as reaction products provided by high-temperature treatment processes. The corrosion-resistant coating generally consists essentially of a rare earth oxide, and has an adhesion strength not less than about 15 MPa. According to particular embodiments, the article is a ceramic component utilized and implemented in a semiconductor processing apparatus for processing semiconductor wafers.
Abstract:
A sapphire substrate includes a generally planar surface having a crystallographic orientation selected from the group consisting of a-plane, r-plane, m-plane, and c-plane orientations, and having a nTTV of not greater than about 0.037 µm/cm 2 , wherein nTTV is total thickness variation normalized for surface area of the generally planar surface, the substrate having a diameter not less than about 9.0 cm.
Abstract translation:蓝宝石衬底包括具有选自由a面,r面,m面和c面取向组成的组的结晶取向,且具有不大于约0.037μm/ cm 2的nTTV的大致平坦的表面, SUP> 2,其中nTTV是对于大体上平坦的表面的表面积归一化的总厚度变化,所述基底具有不小于约9.0cm的直径。
Abstract:
Aspects of the present invention may be found in an electrostatic dissipative ceramic component having a stabilized zirconia base, a surface resistivity between 1x105 and 1x1012 ohms per square and at least 2 percent by volume scattering material. The stabilized zirconia may be present in amounts between 60 and 95 weight percent. Further aspects of the invention may be found in an electrostatic dissipative ceramic material having stabilized zirconia, a resistivity modifier, and a scattering material. The stabilized zirconia may be present in amounts between 60 and 95 weight percent of the ceramic material. The resistivity modifier may be present in amounts between 5 and 30 weight percent. The scattering material may comprise at least 2 volume percent of the electrostatic dissipative ceramic material. The component may be used in the manufacturing of electronic component such as hard drives.
Abstract:
A sapphire substrate includes a generally planar surface having a crystallographic orientation selected from the group consisting of a-plane, r-plane, m-plane, and c-plane orientations, and having a nTTV of not greater than about 0.037 µm/cm 2 , wherein nTTV is total thickness variation normalized for surface area of teh generally planar surface, the substrate having a diameter not less than about 9.0 cm.
Abstract translation:蓝宝石衬底包括具有选自由a面,r面,m面和c面取向组成的组的结晶取向,且具有不大于约0.037μm/ cm 2的nTTV的大致平坦的表面, SUP> 2,其中nTTV是对于大致平坦表面的表面积归一化的总厚度变化,所述基底具有不小于约9.0cm的直径。