Maintenance & Inspection Guide - Johnstech

Pad ROL 100AFor questions about anythingcontained in this Maintenance &Inspection Guide, contact yourlocal Johnstech representative.If you are experiencing a technicalproblem or issue, fill out the onlineTech Help Form at:www.johnstech.com(All forms will be responded towithin two business days.)OR contact the nearest FieldService Office.(Turn to the back cover foraddresses/phone numbers.)ABOUT JOHNSTECHSince 1992, Johnstech International Corporation, headquartered in Minneapolis,MN, has been a leading provider of interconnect solutions for semiconductormanufacturers who want higher first-pass yields and lower overall cost of test.Johnstech’s high performance Test Contactors are available in Pad, Leaded,BGA, and Edge packages and are based on patented technology that providessuperior electrical and mechanical performance. Johnstech also partnerswith Handler, Tester and Load Board manufacturers to ensure appropriateinterfaces. With offices in the United States and Singapore; Field Service officesin California, Singapore, Philippines; and representation in China, Israel, Japan,Korea, Southeast Asia (Malaysia, Philippines, Singapore, Thailand) and Taiwan,Johnstech is proud to provide worldwide service and support.(Please refer to the back cover for addresses and phone numbers or go toour website at www.johnstech.com.)TABLE OF CONTENTSStandard Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Contactor Component Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Contactor Identification Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Contactor Configuration Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Recommended Tools .......................... . . . . . . . . . . . . . . . . . . .7Cleaning and Maintenance Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Pre-Maintenance Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10Load Board & Contactor Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Load Board Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Contactor Inspection ........................... . . . . . . . . . . . . . . . . . .11Housing, Elastomer & Contact Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Housing Inspection ............................ . . . . . . . . . . . . . . . . . .12Elastomer Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Contact Inspection ............................. . . . . . . . . . . . . . . . . . .12Oxide Buildup ................................ . . . . . . . . . . . . . . . . . .12Contactor Removal & Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Contact & Elastomer Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Contactor Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-17Light Cleaning ................................ . . . . . . . . . . . . . . . . . .15Thorough/Ultrasonic Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Elastomer Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Contact Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Installation Verification ......................... . . . . . . . . . . . . . . . . . .20Grounding Information ......................... . . . . . . . . . . . . . . . 21-24Grounding Solutions Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Ground Insert Removal ......................... . . . . . . . . . . . . . . . . . .22Ground Insert Installation (New RCI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Ground Insert Installation (Snap Fit RCI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242www.johnstech.com©2012 Johnstech International CorporationAll rights reserved.