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
Exposure method and exposure apparatus
摘要
申请公布号
US4974018(A)
申请公布日期
1990.11.27
申请号
US19880288971
申请日期
1988.12.23
申请人
HITACHI, LTD.
发明人
KOMORIYA, SUSUMU;NISHIZUKA, HIROSHI;NAKAGAWA, SHINYA;MAEJIMA, HISASHI
分类号
H01L21/30;G03F7/20;G03F7/207;H01L21/027
主分类号
H01L21/30
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DRAWWORKS
WELDED JOINT OF PIPE LINE
VIBRATION ISOLATION DEVICE WITH AUTOMATIC CONTROL
LOCK WASHER
HYDRAULIC SYSTEM
METHOD FOR OPERATION OF GAS-LIFT WELLS SYSTEM
DEVICE FOR PREPARATION OF MULTI-PHASE DRILLING MUD AND OIL-WELL SLURRY
ROLLER-CUTTER DRILLING BIT
DEVICE FOR MOUNTING WALL PANELS
SLIP FORMS FOR ERECTING CAST-IN-SITU OUTSIDE WALLS OUT OF CONCRETE MIXES
SAFETY STRUCTURE FOR EARTHQUAKEPROOF BUILDING
CONVERTIBLE BUILDING
WORKING EQUIPMENT OF LOADER-EXCAVATOR
DEVICE FOR SUPPORTING PITS
GROUND ANCHOR
METHOD FOR SEALING JOINTS CANAL LINING
BRIDGE STEEL AND FERROCONCRETE BAY STRUCTURE
SECTIONAL PAVEMENT
WARP LET-OFF MOTION OF LOOM
AUTOMATIC OPERATOR FOR ELECTROPLATING LINES