Transcription of Difference Between Various Sn/Ag/Cu Solder Compositions
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Difference Between Various Sn/Ag/Cu Solder Compositions
Difference Between Various Difference Between Various Sn/Ag/Cu Solder CompositionsSn/Ag/Cu Solder CompositionsAlmit Sawamura Takeo Igarashi29/6/2005 Table Of ContentsTable Of Contents1. Overview2. Mechanical Properties3. Reliability Results4. ConclusionAbout Nihon Almit Co., Ltd. Founded: 1956 Leading manufacturer in Japan for Solder products. First manufacturer in the world to produce aluminum Solder . SnPb products adopted and used by NASA for space shuttle project. Customers: Automotive: Honda / Hyundai / Mitsubishi / Nissan / Toyota / Volvo Non-Automotive: Ericsson / Hitachi / LG / NEC / Panasonic / Philips / Pioneer / Samsung / Sanyo / Sharp / Siemens / Sony OverviewThe use of lead is being banned to help preserve the environment, and the traditionally used Sn-Pb Solder is being restricted (RoHS etc.)From reliability standpoints, Sn/Ag/Cu alloys has been chosen as the replacement for Sn-Pb Solder .
Joint strength (kgf) 0.0 1.0 2.0 3.0 4.0 5.0 0 1000 2000 3000 4000 Cycle Joint strength (kgf) 0.0 1.0 2.0 3.0 4.0 5.0 0 1000 2000 3000 4000 Cycle Joint strength (kgf) 3.1 Shear Testing Speed: 12mm / min Environment: 25 C number of tests = 5 Initial / 1000 cycles: Break at component side (solder itself is intact) 3000 cycles: Break at component ...
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