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
Selective anisotropic plasma etching of a silicon nitride film using CO and a CHF gas at reduced substrate temperature
摘要
申请公布号
GB2333268(A)
申请公布日期
1999.07.21
申请号
GB19990001151
申请日期
1999.01.19
申请人
* NEC CORPORATION
发明人
KEIICHI * HARASHIMA
分类号
H01L21/302;H01L21/3065;H01L21/311;H01L21/768;(IPC1-7):H01L21/306
主分类号
H01L21/302
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INTERCOMMUNICATING SYSTEM
PENSTOCKS
FILTER CIGARETTE MANUFACTURE
ENGINE
RECORD SUPPORTING MAT
OVERROOFING OF BUILDINGS
DETACHABLE APPARATUS ELECTROLYTIC TANK
DISC OF TAPE LIGHT BAND AND STRANDS
POOLS COUPON GAUGE
SURFACE COVERING MATERIAL
MEASURING POSITION/SIZE OF OBJECTS
CABLE CORROSION MONITOR
AIR HEATER
CATALYSTS FOR HYDROCARBON CONVERSION
GRINDING MACHINE
SLITTING MACHINE
FILTER MANUFACTURING MACHINES
SUPPORTING VEHICLE
BICYCLE FRAME AND FRONT FORK
CHILD RESISTANT CLOSURE