LEAD FRAME OF SEMICONDUCTOR DEVICE,申请号JP19890080648-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	LEAD FRAME OF SEMICONDUCTOR DEVICE
摘要
申请公布号	JPH02260558(A)	申请公布日期	1990.10.23
申请号	JP19890080648	申请日期	1989.03.31
申请人	NEC CORP	发明人	ITO KATSUSHI
分类号	H01L21/60;H01L23/50	主分类号	H01L21/60
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Sewage treatment plant partic. for individual dwelling - employs silent aeration for bacterial digestion of organic impurities

Overload protection circuit for X=ray diagnostic appts. - controls interval between exposures using comparator to compare X=ray tube current integrator with reference voltage

Base for note pad forming support for ball pen - uses rubber washer with flexible tongues to hold pen in place

Foetal heartbeat display and recorder - uses narrow bandpass filter to eliminate parasitic signals from ecg

Nitrogenous fertiliser soln. contg. trace elements - with dicyandiamide added for improved solubility and stability

Protection circuit for DC converter - has monostable to suppress switching transistor drive and circuit to gradually restart converter after short has cleared

Protection system for motor in explosive atmosphere - has two half-sheathings complying with safety requirements and ignition-confining laminae with ventilation passages

Large HV ceramic insulator attachment base - has profiled bearing surface for perimeter clamps

two-stroke petrol engine with reduced pollution exhaust - has fan to supply scavenging air free to fuel

Feeding and spreading device - for delivering tubular knitted fabric for unravelling

Cast nickel-chromium-superalloy - with addn. of hafnium increasing creep strength; esp. for use in gas turbine components with columnar cast structure

Yarn processing machine - having a double twist spindle, heating means and winding package, with minimum spatial requirements

Handling system for container with telescopic legs - has vertically movable lateral supports pivoted about aligned horizontal axes to bear on load bed surfaces

Submerged arc welding process - using electrodes with cross section thick compared with weld gap

MACHINE A CONFECTIONNER DES SACS EN MATIERE PLASTIQUE

PROCEDE ET DISPOSITIF D'ELABORATION DE SILICIUM POLYCRISTALLIN

RECUPERATION DES PARTICULES DE COMBUSTIBLE SOLIDE NON GAZEIFIE D'UNE SUSPENSION AQUEUSE

FABRICATION DE PILES SECHES ELECTRIQUES

PROCEDE POUR LA PREPARATION DE DERIVES AMINES DE CIS-BICYCLOOCTYLE

ENSEMBLE ELASTIQUE INTERNE DE SOMMIER