PROJECTIN EXPOSURE METHOD AND SYSTEM USED THEREFOR,申请号KR19940003414-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	PROJECTIN EXPOSURE METHOD AND SYSTEM USED THEREFOR
摘要
申请公布号	KR0142645(B1)	申请公布日期	1998.08.17
申请号	KR19940003414	申请日期	1994.02.25
申请人	NEC CO.,LTD	发明人	TANABE, HIROYOSHI
分类号	G03F7/20;H01L21/027;H01L21/30;(IPC1-7):H01L21/027	主分类号	G03F7/20
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 EFFICIENTLY CONTROLLING REFRIGERATION AND AIR CONDITIONING SYSTEMS

SKIN PH CLEANSING BAR

MOTORIZED PULLEY WITH INTERNAL MOUNTS

ONE PIECE SPOUT SOCK AND CHANNEL BAG ASSEMBLY FOR ALUMINUM INGOT CASTING

FRAGRANCE COMPOSITIONS AND OTHER COMPOSITIONS WHICH CONTAIN HUMAN PHEROMONES

METHOD AND APPARATUS FOR STORING AND DISPENSING LIQUID

REMOVAL OF CATALYST FROM CHLOROPRENE BY TREATMENT WITH OXY ACID

CHILDPROOF CLOSURE FOR A CONTAINER COMPRISING A LOWER PORTION WITH EXTENSIBLE SPOUT AND A SCREW CAP

METHOD OF INCREASING CONCENTRATION OF PLASMA

Bearing for laboratory centrifuge - has vibration damper which is connected to housing by viscous fluid and to bearings by elastic element.

Support frame for bus body - consists of individual segments metal plate, welded between posts and lower strut

Disc-shaped device for taking up excess optical waveguide lengths e.g. when splicing - has heads projecting from both sides into centre of recess leaving narrow gap to ensure turns of optical fibre winding are captured

Heat exchanger for hot water heating boiler - has water flowing through it and comprises two superimposed, welded, S=shaped bent water channels between enclosing straps.

Wall-mounted table top and ironing board - are movable between horizontal and vertical position, with legs on free end, pivot link with pin and hole, and horizontal swivel strip

Venting safety appts. for gas equipment - has venting slide driven by movement of metal alloy work piece, with backward guiding power driven and occurring automatically

Boom system for agricultural vehicles treating large areas - rotates about vertical axis on at least one side about at least 180 deg. and processing unit is fixed partially or completely on boom.

Safety device prevents flooding in washing machines etc. - and has supply pipe connected directly to water mains

Access to common memory by multiple units of micro-control system e.g. in LAN,WAN - has central controller with register priority access circuit and timing control for organising connection

Dust filter bag change - has cylindrical unit passed over the bag for removal and disposal in package without dust escape

DISPENSING CONTAINER