Burn-in & Test Socket Workshop - BiTS Workshop

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Test Methods ‣Packages ‣ 208 BGA 17x17mm 1.0mm ‣ 225 PBGA 13x13mm 0.8mm ‣ 244 PBGA 12x12mm 0.5mm ‣Daisy Chain Structures ‣ 4 chains 2 ball W/ bias Overview of Experiment 225 I/O MAP PBGA, 13x13 PKG, 0.8 MM Pitch JP15 JP16 R16 R15 JP14 R14 JP13 R13 1 A B C D E F G H J K L M N P R R1 JP1 JP2 R2 X DR1 R3 R4 JP4 JP3 2 3 4 5 6 7 8 9 10 11 12 13 14 15 R5 JP5 JP6 R6 R7 R8 JP8 JP7 ‣ 4 chains 2 ball non-biased ‣ 4 chains 20 ball W/ Bias JP11 JP12 R12 R11 DR2 X R10 JP10 JP9 R9 ‣ 4 chains 20 ball non-biased The Effects of No Lead Solder Balls on Burn-in Socket Design Decisions Page 6
Overview of Experiment Test Methods ‣ Sockets ‣ Wells-CTI - 8117-208AnE-00, Au, PdNi, NiBn ‣ Spoon Contact ‣ Wells-CTI - 777B1225-n02, Au, PdNi, NiBn ‣ Pinch Contact ‣ Wells-CTI - 715-24412-5nn, Au, PdNi, NiBn ‣ Spring Contact (Crown, V-Groove) ‣ Test Cards for each socket type The Effects of No Lead Solder Balls on Burn-in Socket Design Decisions Page 7
Page 1 and 2:
Burn-in & Test Socket Workshop Marc
Page 3 and 4:
Burn-in & Test Socket Workshop Sess
Page 5 and 6:
Objectives • Determine impact of
Page 7 and 8:
Pb free - Background • Why Pb fre
Page 9 and 10:
Typical Test Setup • Pneumatic co
Page 11 and 12:
PBGA Test Socket Resistance at Cycl
Page 13 and 14:
CBGA Test Socket Resistance • Dai
Page 15 and 16: CBGA Test Damage 90/10 Leadfree Wit
Page 17 and 18: CCGA Contact Resistance Average Res
Page 19 and 20: PBGA Contactor Resistance at Burnin
Page 21 and 22: Ball Damage 1.00mm Pitch Contactor
Page 23 and 24: PBGA Contactor Resistance at Burnin
Page 25 and 26: PBGA Contactor Cleaning • Surface
Page 27 and 28: Pb Free Early Learning Summary Con
Page 29 and 30: Up Front Concerns with Lead-Free So
Page 31 and 32: Lead-free Alloy Wish List (Short Li
Page 33 and 34: Undesirable Effects of Other Elemen
Page 35 and 36: Test Objective • Metallurgical Pl
Page 37 and 38: Metallurgical Plating Test • Test
Page 39 and 40: 100 % SN Plated Lead SEM micrograph
Page 41 and 42: Internal Device Resistance Baseline
Page 43 and 44: 90% Sn 10%Pb Tested at Plus 125º C
Page 45 and 46: Resistance in Ohms 0.02 0.018 0.016
Page 47 and 48: 100% Sn Lead Plating Tested at Plus
Page 49 and 50: Resistance in Ohms 0.05 0.045 0.04
Page 51 and 52: 90% Sn 10% Pb Lead Plating Tested a
Page 53 and 54: Resistenance in Ohms 0.035 0.03 0.0
Page 55 and 56: 90% Sn 10%Pb Tested at Plus 125º C
Page 57 and 58: Resistance in Ohmsa 0.03 0.025 0.02
Page 59 and 60: Conclusion • Changes made to cont
Page 61 and 62: The Effects of No Lead Solder Balls
Page 63 and 64: What we asked… Experimental Objec
Page 65: Evaluation Criteria Overview of Exp
Page 69 and 70: Stage 2 Objective Experimental Deta
Page 71 and 72: Experimental Detail / Analysis Stag
Page 85 and 86: • General Observations Summary of
Page 87 and 88: Conclusions • Overall performance
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Burn-in & Test Socket Workshop - BiTS Workshop

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