对于这种失效问题,我们需要用到一些常用的失效分析技术,来使得PCB在制造的时候质量和可靠性水平得到一定的保证。 在PCB的分析上,能谱仪可用于表面的成分分析,可焊性不良的焊盘与引线脚表面污染物的元素分析。能谱仪的定量分析的准确度有限,低于0.1%的含量一般不易检出。能谱与SEM结合使用可以同时获得表面形貌与成分的...
Our Field Emission SEM Lab and EDS X-ray analysis provides services for clients having questions in materials analysis and process related failures.
Shenzhen Chuangxin Online Testing Technology Co., Ltd. provides services such as appearance inspection, lid opening testing, X-ray testing, failure analysis, reliability testing, heating chemical testing, programming and burning, solderability testing, t
give direct access to the high-resolution and high-quality imaging and analysis required in a large variety of applications. The rapid sample loading and the incredibly fast time to image improve the effectiveness of failure analysis, quality insurance processes, or non-destructive ...
Endocrine and metabolic disorders clinical lab testing manual, Fourth Edition, Robert F. Dons, Frank H. Wians Jr. (Eds.). CRC Press (2009), 603 pp, ISBN: 978-1-4200-7932-6doi:10.1016/J.CCA.2010.06.012D. FrenchClinica Chimica Acta...
He’s had a unique opportunity to speak regularly with patients and heard the impact CYP450 testing has had on the quality of their lives. He previously worked onsite 24/5 managing the daily routine for residents in a non-profit group home, seeing both the positive and negative impacts of ...
Testing and Results In the lab, trained technicians conduct tests on your blood samples. Results are sent to your healthcare provider, who will discuss them with you during a follow-up appointment or via another method. Service Map Locations ...
Beyond considering myself a programmer and designer, I found usability testing to be an amazingly practical part of creating something for people. The methods are similar to my favorite software development methodology: agile development–get the requirements, do a small piece, fix what is broken ...
Lab PCB Testing We offer highly comprehensive PCB (polychlorinated biphenyl) testing service. Our state of the art laboratory is equipped with the newest technology. Show all services OURSERVICES PCB Disposal A-Line T.D.S. uses a proprietary process to eliminate PCB’s from oil, transformers and...
Pursue opportunities to speak about your undergraduate research at conferences and lab meetings, as well as in your club meetings and in your job. Remember that while you are speaking, all eyes are on you. Own the moment, stand up straight, speak forcefully and clearly enuncia...