Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.
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Transcript of Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.
![Page 1: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/1.jpg)
The Road to Tin Whisker Detection
Michael WeberSAIC Intern
Purdue Technology CenterAugust 10, 2010
![Page 2: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/2.jpg)
Fisher Scientific Micromaster Microscope
Canon G10 Camera USB Digital Microscope Fiber-Optic Light Source • 360 Ring lamp• Bifurcated light guide
7 In. Tile Wet Saw Hand Dremel tool
Previous Equipment
![Page 3: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/3.jpg)
Fisher XDAL X-ray Fluorescence Spectrometer
• Perform elemental analysis of samples; returns weight percent of elements
• Design programs to calculate thickness of layers
• Automated arrays of inspection points• Generate tabular and graphical results
New Equipment, cont’d
![Page 4: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/4.jpg)
New Equipment, cont’d
![Page 5: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/5.jpg)
Nibbler• Designed for soft sheet metal• Cuts boards well but poor maneuverability
New Equipment
![Page 6: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/6.jpg)
Diamond Tech DL3000 XL Band Saw• Variable speed, diamond-tipped blade• Integrated water pump with filters
New Equipment, cont’d
![Page 7: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/7.jpg)
Hitachi TM-1000 Tabletop SEM
• 20x – 10,000x magnification; 15 kV voltage
• 70 mm maximum specimen size• Integrated software for all image
manipulation, capture, editing• Acrylic enclosure with filter-fed air for
clean environment
New Equipment, cont’d
![Page 8: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/8.jpg)
New Equipment, cont’d
![Page 9: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/9.jpg)
New Equipment, cont’d
![Page 10: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/10.jpg)
Well-documented data base of inventory; backlog of parts still needed to be examined
Instruments with sufficient capabilities for elemental analysis, cutting, and inspection
Developed routine for inspection (Logging, XRF, component extraction, SEM)
Conclusions
![Page 11: Michael Weber SAIC Intern Purdue Technology Center August 10, 2010.](https://reader035.fdocuments.net/reader035/viewer/2022062620/551adfde550346f70d8b45d4/html5/thumbnails/11.jpg)
Continue to search for parts; need a more reliable Pb-free source
Refine methods; namely a method to clean debris from boards without removing whiskers
Continue examination with possible acceleration of commercial whiskers
Path Forward