1、Issue 2:July 2007 Issue 2:July 2007 ()Issue 2:July 2007 .Issue 2:July 2007 :Issue 2:July 2007&:*,.*,(),Issue 2:July 2007 Issue 2:July 2007 E.Issue 2:July 2007 .!Issue 2:July 2007 1:Issue 2:July 2007 Importance of Printer Alignment Accuracy on Lead Free Solder Paste Printing Investigation of the refl
2、ow characteristics of lead free paste show that there is less self correction of misaligned prints than is the case with lead rich pastes.This makes it even more important that the printer is capable of maintaining the required alignment accuracy for the pitch of components being assembled.Printer C
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14、9.,Y=9.:Y=1,X=1,1000Issue 2:July 2007 :3.41 0.4 Issue 2:July 2007 .()14.8,=7/7.5 X (!)()7.5,=-31.2.()3.(?)4.5.6.7.Y 7.8 ()18.9,=-9.5 9.25 X(,!)()9.6,=3.51,2,3 4 Y 9.9.51,2,3,4,5,6 7 Issue 2:July 2007 :Issue 2:July 2007 a 24:Issue 2:July 2007 Issue 2:July 2007 :(X3)4 x 2 x Issue 2:July 2007 .193177()
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16、),./,0.8.,.:Issue 2:July 2007 ()X6,X7:Issue 2:July 2007 X Y X Y ()27:Issue 2:July 2007 ()Issue 2:July 2007 V=_ M37M36 _ _:Issue 2:July 2007 V=48V 2M37M36 Issue 2:July 2007 .,:a ,.X Y .,a .X Y .,a .Issue 2:July 2007 Issue 2:July 2007 :4 Issue 2:July 2007 ()28:Issue 2:July 2007 Issue 2:July 2007 :4 Is
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18、 2:July 2007 ()a .X Issue 2:July 2007 ().Issue 2:July 2007 22 (),x y .Issue 2:July 2007 1 1 x y Issue 2:July 2007 2 2 2 x y Issue 2:July 2007 32 3 x y Issue 2:July 2007 a y x x y Issue 2:July 2007 Issue 2:July 2007 x y 1 Issue 2:July 2007 2 x y Issue 2:July 2007 x y 3 Y X Issue 2:July 2007 .()31:.Is
19、sue 2:July 2007 Issue 2:July 2007 1 0 0 -Issue 2:July 2007 100 32:Issue 2:July 2007 :212.5220 225 01i 225 02i 1.625 03i 1.325Issue 2:July 2007 (,),!(0R )Issue 2:July 2007 0.5 ,Issue 2:July 2007 CUT BOARDS AND PLACEFIDUCIALS ON TOOLING PINSUSE VIDEO MODELBACK OFF RAIL DAMPERSPassPassVISION CAL OR FID
20、UCIAL SET-UPDAMPERS FAULTY OR SET INCORRECTLYTABLE MOVEMENT,LINEAR BEARINGSPassONLY IN EXCEPTIONALCIRCUMSTANCESFailFailFail!Issue 2:July 2007 -.5 -Issue 2:July 2007 Issue 2:July 2007 :()Issue 2:July 2007 Issue 2:July 2007 Issue 2:July 2007 Issue 2:July 2007 33:/Issue 2:July 2007 a 34:Issue 2:July 20
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22、0520.0310.0310.0380.0380.0270.0270.0230.0380.0380.0420.0190.0270.0310.0250.0310.0420.0290.0270.040X ALIGN ERRORY ALIGN ERRORIssue 2:July 2007-0.0070-0.0112 0.0097-0.0023-0.0087 0.0084-0.0081 0.0075-0.0102XY-0.0055-0.0055-0.0024 0.0077-0.0077-0.0013-0.0105-0.0025-0.0013 0.0043-0.0008-0.0071-0.0002 0.
23、0064-0.0028-0.0068-0.0019 0.0065-0.0036 0.0015 0.0053 0.0005-0.0019-0.0049-0.0030-0.0022-0.0038-0.0006-0.0040-0.0004 0.0039 and =.Issue 2:July 2007 =()()a .A 68%1 95%2 99.7%3 99.9999998%6?.Issue 2:July 2007 xx-0.0070-0.0112 0.0097-0.0023-0.0087 0.0084-0.0081 0.0075-0.0102XY-0.0055-0.0055-0.0024 0.00
24、77-0.0077-0.0013-0.0105-0.0025-0.0013 0.0043-0.0008-0.0071-0.0002 0.0064-0.0028-0.0068-0.0019 0.0065-0.0036 0.0015 0.0053 0.0005-0.0019-0.0049-0.0030-0.0022-0.0038-0.0006-0.0040-0.0004 0.0039 a -Issue 2:July 2007 68%95%99.7%3 3 2 2 1 1 0 3 a Issue 2:July 2007 s 1.33 1.33 ()Issue 2:July 2007 =2=1=1.3
25、3 ()Issue 2:July 2007 Cp=TOLERANCE RANGEPATTERN WIDTH=6 x SIGMA=SPECIFIED LIMITSTANDARD DEVIATIONSIGMA=0.5 x TOLERANCE RANGE1 x stdev Issue 2:July 2007 Cp=TOLERANCE RANGEPATTERN WIDTH=6 x=2412=2CpSIGMA=SPECIFIED LIMITSTANDARD DEVIATION=122=6 6 12 =6 12=0-12120s=2 Issue 2:July 2007 Cp=TOLERANCE RANGE
26、PATTERN WIDTH=6 x=2412=2Cps=212-120=8.3 X =4_ 6 =0.66 ()Issue 2:July 2007 !a.a 2.()25.,=25/2=12.550/12=4.1725/6=4.1750Issue 2:July 2007 !A a 2.7 !,=25/2=12.550/12=4.1718/6=3Issue 2:July 2007 =2=2=2=1=2=1=2=2=2=0.5=4=1=8=1=1=1 Issue 2:July 2007 =4=4=8=2=16=2=2=20 Issue 2:July 2007 A?1Issue 2:July 200
27、7 Issue 2:July 2007 (3)T h e t a E r r o r (a r c s e c)C p k=1.1 11 0.0 4 7 41 4 31 0.0 4 7 41 4 3-2 7.0 0 0 02 7.0 0 0 00.0 0 0 0Issue 2:July 2007(3)T h e t a E r r o r (a r c s e c)C p k=1.1 11 0.0 4 7 41 4 31 0.0 4 7 41 4 3-2 7.0 0 0 02 7.0 0 0 00.0 0 0 0Average(x)Issue 2:July 2007 .Issue 2:July
28、 2007 u :u-u u u .Issue 2:July 2007 =(x,y,)=,=,2d,=Issue 2:July 2007 :Issue 2:July 2007 :(a*)Issue 2:July 2007?,?2Issue 2:July 2007 Issue 2:July 2007 X Y X Y 1 2 :,.Issue 2:July 2007 ()-()=Stencil(mm)Board(mm)Fid 2Fid 1Fid 2 x Error(Pre or Post)Fid 1 x Error(Pre or Post)2 1 Issue 2:July 2007 =Issue 2:July 2007 (1)=1 (2)=1 2 1 2 Issue 2:July 2007 +5 1 2 3 4.Issue 2:July 2007 Issue 2:July 2007 Issue 2:July 2007 Issue 2:July 2007 Issue 2:July 2007 Issue 2:July 2007 Align Inspect Mode
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