首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
FORFARANDE FOR FRAMSTELLNING AV KISELNITRID
摘要
A process for the production of silicon nitride by reaction of silicon dioxide, carbon and nitrogen at temperatures above about 1300 DEG C. whereby a partial pressure of nitrogen above 1 bar is maintained during the reaction.
申请公布号
SE8302207(L)
申请公布日期
1984.10.20
申请号
SE19830002207
申请日期
1983.04.19
申请人
KEMA NORD AB
发明人
JOHANSSON T
分类号
C01B21/068;(IPC1-7):C01B21/06
主分类号
C01B21/068
代理机构
代理人
主权项
地址
您可能感兴趣的专利
MATRIZE
ORGANIC LIGHT EMITTING DIODE AND METHOD FOR FABRICATING THE SAME
APPARATUS FOR MEASURING CAPACITANCE OF A THYRISTOR AND ESTIMATING METHOD OF FORWARD AND REVERSE BREAKING VOLTAGE(DIELECTRIC STRENGTH) OF THE THYRISTOR USING THE APPARATUS
METHOD OF CONSTRUCTING CROP HAVING LARGE-SIZED FLOWER AND/OR FRUIT
KEYSTROKE ANALYSIS
FIELD ENHANCED PLASMA DISPLAY PANEL
ANTI-SCARRING AGENTS, THERAPEUTIC COMPOSITIONS, AND USE THEREOF
FILM-FORMING AND CLEANING METHOD
MACHINE POSITION CONTROL DEVICE
Circuitry for use in current switching a magnetic cell
Control of an inverter pulse-width modulator
Air bearing slider having a bearing profile contoured for pressurization proximate to nodal regions of a slider-disc interface
Optical properties restoration apparatus, the restoration method, and an optical system used in the apparatus
Scattering polarizing plate having a transmission and diffusion axis, with the transmission axis being perpendicular to the transmission axis of the polarizing plate
Pade' Approximant based compensation for integrated sensor modules and the like
Method for calibrating timing clock
Method and apparatus for layout independent test point placement on a printed circuit board
Semiconductor device for reducing coupling noise
Semiconductor device having high withstand capacity and method for designing the same
Isolated fully depleted silicon-on-insulator regions by selective etch