电子 焊接 工艺

电子 焊接 工艺

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- 1 - 3 3-1 3-1-1 1 2 ( ) 3 4500C 4500C 3-1-2 1. ( )
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- 2 - 3 1 3-1 a >90 b =90 c <90 2. ( ) 3. ( ) (250 300 ) Cu3Sn Cu6Sn5 300 Cu31Sn8 3~10um 3 2 3-2 3 2 Cu3Sn Cu6Sn5 Cu31Sn8 2 5s 3-3 PCB PCB
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- 3 - 3-3 3-1-3 1) 2) PCB 3) 4) 250 5ºC 240ºC 260ºC 2~3S 1S 35% IC 3S 4~5S 5) 3-2 3-2-1 450 450
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- 4 - 1. IMC Cu 6 Sn 5 A C B A-B-C A-D-B-C-E B B 63% 37% 183 63% 10% 3-4 2. 1/10 1~10m
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- 5 - 20~110 2000 1/5 ~ 1/10 IMC 2 (1) (Cu) 0 3 0 5 (2) (Sb) (3) (Zn) 0 001 0 005 (4) (A ,KO 005 (5) (Bi) 10 (6) (Fe) 0 005 3 1) Sn63Pb37 183 Sn62Pb36Ag2 179 Multicore Sn60Pb40 kester Sn60Pb40 0.23 0.4 0.56 0.8 1.0 0.5 0.6 SMC 50MILA 0.4 0.3 SMD 0.2 2) 3) 0 5 2 0 4) gl 15 20m Sn Pb Sn Pb Ag Sn Pb In 3-2-2 1 (2) (3) (4)
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- 6 - (5) (6) (7) (8) 2 ( 75 25 ) 180C 2) (3) (55 C ) 3 2 2 1. PCB PCB PCB 1 (2) (3) 2 250 270 C 10 25s 3 1 130 150 C
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- 7 - (2) 1) 1 3min 2) 3) 4) (3) PCB 3-3 , 3-3-1 3-5
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- 8 - 3-3-2 SMD SMD PCB 1. 2. HAKO928 10 C 12V 24V ESD 3-6 3-3-3 1. METCAL
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- 9 - METICA MS-500S TIP TIP Metcal TIP TIP 1) TIP 4 2) TIP 1.1 C 3) ESD 3-7METICA MS-500S 2. TIP METICA TIP 1) 700F 316 ) 600F METICAL 500F(260C),600F(316 ) 700F(371 ) 800F(427 ) 2) 3-8 TIP TIP
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- 10 - STC-137 1 700F 37 CHIP 1206 SOT SOIC PLCC STC-047 0 600F 47 60 CHIP 0603 STC-022 PLCC-18 SMTC-111 3) METICAL METICAL
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Unformatted text preview: TIP . 9 9 , 9 TIP TIP , , 9 3-4 100% 3-4-1 TIP TIP 45 TIP 3-4-2 1) TIP 3-9 1 2) tip 3-10 2 - 11 - 3) 3-13 3 4) 3-11 4 5) 3-4-2 3-12 1 - 12 - 3-13 2 3-1-4 1) 1~10m 2) PCB 3) PCB PCB 60 ° 3-14 4) 5)- 13 - 3-15 6) 1 1 30w 1 SIPIVT-E PTH 1 10 1- 14 - 30 = 15 + 15 1. SIPIVT-E PTH R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 8 2 51 100 200 300 470 510 680 910 1K 1% 1% 1% 1% 1% 1% 1% 1% 1% 1% R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 1.- 15 - 1. 2. 2 2 30w 1 SIPIVT-E PTH 1 10 1 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 2K 2 7K 4 7K 5 1K 7 5K 10K 15K 20K 24K 39K 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 30 = 15 + 15 2. R11~R20 SIPIVT-E PTH 3. 2. 3. R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 8 2 51 100 200 300 470 510 680 910 1K - 16 - 1. 2. 3. 4. 5. 6. 7....
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