Dark Current Leakage in Optoelectronic Hermetic Packages

Q4 Engineering

Journal of Microelectronics and Electronic Packaging Pub Date : 2017-11-03 DOI:10.4071/ISOM-2017-POSTER5_154

Clara Dionet, G. Perosevic, Jeffrey Javier, Sammie Fernandez, T. Hurdle, M. Moradi, Andrew Neely, Kevin Ma, M. Albarghouti

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Abstract

Abstract In this work, the root cause of the increase in dark current occurring over time at high temperature in hermetic packages, such as those used in optoelectronic devices, was investigated. It was observed that hermetic Receiver Optical Subassembly (ROSA) devices show continuously increasing dark current when stressed and monitored at 85°C over an extended period of time, reaching, in some cases, values greater than 500nA. However, this increase in leakage current was recoverable once the package seal is broken, and this behavior was found to be very repeatable. Photodetectors from two different suppliers were tested and found to have dark current which is dependent on the fabrication process, as the photodetector (PD) from supplier 1 (PD1) showed three times higher leakage than the photodetector from supplier 2 (PD2). The main difference between the two photodetectors is that the polyimide layer in PD1 in significantly greater than in PD2. It was also observed that 48 hour pre-seal baking at 120°C ...

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光电密封封装中的暗电流泄漏

摘要在这项工作中，研究了在高温下密封封装（如用于光电子器件的封装）中暗电流随时间增加的根本原因。据观察，当在85°C下长时间受到应力和监测时，密闭接收器光学组件（ROSA）器件显示出持续增加的暗电流，在某些情况下达到大于500nA的值。然而，一旦封装密封破裂，这种泄漏电流的增加是可以恢复的，并且这种行为被发现是非常可重复的。对来自两个不同供应商的光电探测器进行了测试，发现其具有暗电流，这取决于制造工艺，因为来自供应商1（PD1）的光电探测器（PD）显示出比来自供应商2（PD2）的光电检测器高三倍的泄漏。两个光电探测器之间的主要区别在于PD1中的聚酰亚胺层明显大于PD2中的聚酰亚胺。还观察到，在120°C下预密封烘焙48小时。。。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Microelectronics and Electronic Packaging Engineering-Electrical and Electronic Engineering

CiteScore

1.30

自引率

0.00%

发文量

期刊介绍： The International Microelectronics And Packaging Society (IMAPS) is the largest society dedicated to the advancement and growth of microelectronics and electronics packaging technologies through professional education. The Society’s portfolio of technologies is disseminated through symposia, conferences, workshops, professional development courses and other efforts. IMAPS currently has more than 4,000 members in the United States and more than 4,000 international members around the world.