Feb 02, 2017 ZESTRON, the global leading provider of high precision cleaning products, services and training solutions in the electronics manufacturing and semiconductor industries, is pleased to announce that Ravi Parthasarathy will present “SIR Test Vehicles Comparison from a Cleaning Perspective” during the “S20: Cleanliness/Reliability I” session on Wednesday, February 15th, from 1:30 to 3:00PM.
Given the quality and reliability demands for complex PCBs, manufacturing processes are qualified; that is, the PCB design, must meet the long-term reliability requirements demanded and quality standards desired. As a result, cleaning is becoming a mandatory step within the manufacturing process.
Analytical tests are key elements to any qualification process. In particular, IPC-TM-650, method 2.6.3.7 or SIR (Surface Insulation Resistance) is frequently used regardless of the solder paste/flux type. Per the specification, this test can quantify the deleterious effects of fabrication, process or handling residues on SIR in the presence of moisture. Measuring changes in surface resistance is a standard way of testing cleanliness and long-term reliability of a test board or complete process assembly based on industry standards.
This study was designed to compare different SIR test vehicles, from a cleaning perspective, in order to determine which test vehicle is tougher to clean and therefore challenge the cleaning process. Cleanliness verification and validation was completed by visual inspection underneath all components as well as by performing SIR tests. For more information, please visit IPC APEX.
Headquartered in Manassas, Virginia, and operating in more than 35 countries, ZESTRON is the globally leading provider of high precision cleaning products, services and training solutions for the electronics manufacturing industry. With seven worldwide technical centers and the largest team of chemical engineers in the industry, ZESTRON’s commitment to ensuring that its customers surpass even the most stringent cleaning requirements is without equal.For additional information and to tour one of our unparalleled technical centers, please visit www.zestron.com.
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