Thie paper describes the abrasive trimming, pulse voltage trimming and laser trimming technologies for thick film and their evolutions.
介绍了厚膜电阻常用的喷砂微调和脉冲电压微调、激光微调三种微调技术及其发展趋势,重点介绍了激光微调机理、调阻方式以及微调图形分类。
Research progresses of laser trimming, laser drilling, laser cleaning, laser flexible routing and laser micro welding applied in the IC fabrication and packaging are given.
介绍了在集成电路制造封装中采用的激光微调、激光打孔、激光清洗、激光柔性布线和激光微焊技术。
A novel laser trimming method is developed for microwave ceramic dielectric resonator.
提出一种采用激光微调微波陶瓷介质谐振器的方法。
Develop on Microsecond Synchronizer Based on ISA Bus
基于ISA总线的微秒级同步器研制
Programmable hardware timing was used in design of microsecond synchronizer based on ISA bus, after pulse generated by oscillator was divided frequency, it was sent to 8254 to count.
基于ISA总线的微秒级同步器采用可编程硬件定时,由晶振发出脉冲经分频后送入8254计数。
High precision time, outputting second pulse reach microsecond.
时间精度高、输出秒脉冲精度达微秒级。
microsec life radioisotope
微秒寿命放射性同位素
The algorithm can provide high precision timer(microsecond level) without impacting system’s throughout.
这种算法可以在不影响系统吞吐率的同时提供高精度(微秒级)的定时器。
Designing for High Precision Synchronous Clock Based on GPS-Clock
基于GPS秒时钟的高精度同步时钟设计
There are only a handful of the machines in the US.
这种仪器采用微秒级技术，全美仅有几台。
Design of Nanosecond-grade Pulse Power Supply for Micro-ECM and Experiment;
纳秒级脉冲电源研制及微细电解工艺试验
Process Analysis of Steam Reforming of Methane under Milliseconds Contact Time in Micro-reactors
微通道反应器内毫秒级甲烷蒸汽重整过程分析
A secs-level detector for human meridian impedance
秒级微动人体经穴阻抗计量检测仪的研制
Study on passive synchronization of femtosecond and picosecond pulses in a Ti:sapphire laser
钛宝石激光器中飞秒和皮秒脉冲被动同步的研究
One trillionth(10-12) of a second.
皮可秒，微微秒万亿分之一秒（10－12）
Ns [Nanosecond]
毫微秒[十亿分之一秒
One thousandth(10-3) of a second.
微秒千分之一（10－3）秒
The Research of μs-grade Adjustable Pulsed Power Supply and the Technical Experiment of Electrochemical Micro-machining;
微秒级可调脉冲电源研制及微细电解加工工艺实验
color burst-amplifier stage
彩色同步脉冲放大级
Periodical convective boiling heat transfer in a time scale of milliseconds was found.
发现了周期在毫秒级的微时间尺度的周期性沸腾传热。
The Rearch of Mircosecond Level Xenon Lamp Pumped Solid State Dye Laser Parameters of Discharge Circuit;
氙灯微秒级泵浦固体染料激光主放电回路参量优化研究