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载德半导体技术有限公司
霍尔效应测试仪用于测量半导体材料的关键电学参数,如载流子浓度、迁移率、电阻率等。ECOPIA公司的HMS系列霍尔效应测量系统具备恒电流源、范德堡法则终端转换器、低温测量系统及磁场强度输入系统,具有高精度、高重现性和操作简便的特点。该系统适用于 ...
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今日热点
US lost 92K jobs in Feb.
Noem out as DHS secretary
Announces run for Congress
Gets life in prison for murder
DOJ releases new Epstein docs
Faces ethics probe in Florida
House approves DHS bill
Allam concedes to Foushee
Pentagon flags Anthropic
Files for bankruptcy
Investigating cyber activity
Gonzales drops reelection bid
US eases RU oil sanctions
Won't appeal conviction
To resume diplomatic ties
Visits 'TODAY' studio
Amazon suffers outage
Brillstein executive dies
Signs 4-year deal with Ducks
Massive warehouse fire in FL
Honored by Trump at WH
Homicide suspect arrested
TX ICE center quarantined
Arrested and released in CA
Announces leadership changes
Ford recalls 600K+ vehicles
New deal for military students
Breaks legendary NBA record
Sued over AI smart glasses
FBI arrests federal contractor
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