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解決方案
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可(kě)靠性

多(duō)層闆上的通孔填充率

   多(duō)種因素造成了通孔焊料不一緻的通孔填充率。Alpha 知識淵博的技(jì )術服務(wù)團隊可(kě)對工(gōng)藝參數進行現場運行分(fēn)析（如助焊劑使用(yòng)不當或低預熱設置），以解決這些問題。我們的專家還可(kě)以幫助計算實現可(kě)靠焊點所需的正确焊料量。

提高通孔填充率的 Alpha 産(chǎn)品：


 

Alpha 焊料合金

使用(yòng)下圖确定哪種 Alpha 合金适合您。隻需将進行組裝(zhuāng)的類型與适當的合金對應起來即可(kě)。

 Assembly Type



 IIIIIIIV


Simple, single sided, FR2 / CEM-1 laminates
Dual sided FR-4 w/ PTH's, 1.6mm thick, up to 4 inner copper layers, metallized pad finishes
Complex, up to 12 inner copper layers, OSP pad finishes, all processing in air
>2.4mm thick, >12 inner copper layers, large high heat capacity components





 
 SACX Plus 0807


 
 SAC alloys label for table

1%+ flux solids, L0, pin testable
 		Flux Type

SACX Plus 0307


4%+ flux solids, L or M0, pin testable
 SnCX Plus™ 07





4%+ flux solids, L or M0, moderately pin testable






7%+ flux solids, L,M or H1, not pin testable
0ºC to 100ºC - standard profile cycles
0ºC to 100ºC - standard and shock profile cycles
- 25ºC to 125ºC - standard and shock profile cycles
- 45ºC to 125ºC - standard and shock profile cycles


Thermal Fatigue Resistance




 

液體(tǐ)助焊劑

ProductLead-FreeSnPbHigh ReliabilityLow AgWater Soluble
EF-2210 
XX
X
EF-5601
XX 

X
EF-6103XXXX
EF-6850HFX
XX
EF-8000XXXX
EF-8300XXXX
EF-8800HFX
XX
EF-9301XXXX
EF-12000XX
X
RF-800
X



 


預成型焊料

  • Alpha 編帶和卷盤預成型坯件

SizeDimensionsVolumePb-FreeSn-PbSnBiAg
abc
inchmmmmmm3
020105030.510.250.250.032
X
0201S04030.440.280.280.034X

020205050.510.510.250.065XX
0301508380.760.380.250.072
X
03015S060350.600.350.350.074X

0402H1006H1.000.600.250.150XX*
040210061.000.500.500.250XXX
0402B100551.000.550.550.303XX*
0603H1608H1.600.800.500.640XX*
060316081.600.800.801.024XXX
0805H2013H2.011.300.401.045XX*
080520132.011.300.761.986XXX
0805S2013S2.011.301.303.397XX*
120630153.001.470.773.396XX*
140635153.561.520.774.167XX*

*生産(chǎn)将取決于市場需求，請咨詢您當地的銷售代表了解供貨情況

  • 助焊劑塗敷預成型焊料墊圈


Washer

solder preform washer

OD
Min = .020" (0.51mm)

Max = 3.00" (76.0mm)


ID
Min = .008" (0.2mm)
Max = OD - .010" (0.25mm)
T (Thickness)
Min = .002" (0.05mm)
Max = .110" (2.80mm)


解決方案

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天津鑫銳特新(xīn)材料科(kē)技(jì )有(yǒu)限公(gōng)司

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