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
METHOD OF MANUFACTURING WAFERS OF SEMICONDUCTOR MATERIAL
摘要
申请公布号
EP0229687(A3)
申请公布日期
1989.02.15
申请号
EP19870300050
申请日期
1987.01.06
申请人
ATLANTIC RICHFIELD COMPANY
发明人
MOFFATT, ALEX P.;JACKSON, RICHARD C.
分类号
H01L21/304;B28D1/22;B28D5/00;B28D5/02;B28D5/04;C30B33/00;(IPC1-7):H01L21/302;H01L21/00
主分类号
H01L21/304
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD AND APPARATUS FOR SATURATING NEAR-BOTTOM LAYERS OF WATER OF FROZEN LAKES WITH OXYGEN
METHOD AND APPARATUS FOR BIOLOGICAL ESTIMATE OF WATER TOXICITY
HERANIUM HARVESTER
CASE FOR PHONIC INSERTS
METHOD OF DIFFERENTIAL DIAGNOSIS OF HEMOBLASTOSIS
APPARATUS FOR TAKING PLANKTON SAMPLES
APPARATUS FOR TREATING BAST FIBERS
METHOD FOR PREPARING TILACTONE AND STRAIN STREPTOMYCES FRADIAE NRRL 12188 FOR USE IN PREPARING TILACTONE
ABSORPTION LITHIUM-BROMIDE REFRIGERATING PLANT
TARGET PLANT FOR BOW-SHOOTING
METHOD OF CLEANING NITROGEN AND HYDROGEN CONTROLLED ATMOSPHERE FROM ADDITIVES OF CARBON DIOXIDE AND MOISTURE
Undertak
NICKEL-BASED ALLOY
SHIP HATCH COVER
SPERMICID VAGINAL KOMPOSITION INNEHALLANDE SOM AKTIV KOMPONENT VISSA METALLKELAT
LYFTAGGREGAT VID PATIENTLYFTANORDNINGAR
BROMSSYSTEM FOR EN DRAG- OCH SLEPFORDONSKOMBINATION
Method and apparatus for producing and sealing a can-type pack
FORFARANDE FOR FRAMSTELLNING AV TIAZOLIDINDERIVAT
SETT ATT FRAMSTELLA MAGNETISKA POLYMERPARTIKLAR SOM BERARE AV EN FORETREDESVIS BIOLOGISKT AKTIV SUBSTANS