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1、BSOB模式与BBOS模式ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New HeightsBond Stick On Ball(BSOB)/Bond Ball On Stitch(
2、BBOS)/ Tail Break2 2ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New HeightsASMASMASMTechnology SingaporeTechnolog
3、y Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New HeightsASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-
4、7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New HeightsASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 76
5、8924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights3.1) Free Air Ball (FAB 2)is aligned to the center of the bond pad on device 2.Device 1Device 2FAB 23.0 STANDOFF BALL CONTROL BONDING SEQUENCE6 6ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7,
6、 Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights3.2) Capillary descends and bonds ball to bond pad.Device 1Device 2W/clamp openCapillaryApplication of 1st bond stand off bal
7、l parameter to form Ball Thickness and Ball SizeDuring Stand Off Bonding , SOB parameters are applied .7 7ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582
8、287 Soaring to New HeightsSoaring to New Heights3.3) Capillary rises to loop base to clear ball.Device 1Device 2W/clamp openCapillary rises to set Loop BaseLoop BaseContact Pt.Loop base is the distance between the capillary tip and contact point.Recommended setting = 28 8ASMASMASMTechnology Singapor
9、eTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights3.4) Capillary move to programme ball offset. Ball offset can be programmed towards or
10、 away from the first bond. + ve towards 2nd bond - ve away 2nd bond Device 1Device 2W/clamp openActual Ball Offset = Setting x 10umIf Ball Offset Setting = 22Then Actual Loop Base =220umRecommended Setting = - ve 359 9ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 7689
11、24. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights3.5) Capillary descends and forms stitch bond on top of the ball.Device 1Device 2W/clamp open*Ball ThicknessSOB Parameter (Stand Off Ball Pa
12、rameter)Capillary descends to set Ball Thickness (Amt. Z movement above the ball height)Contact Pt.* Ball Thickness is the distance between the capillary tip and contact point Recommended setting = 2 1010ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-
13、7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights3.6) Capillary moves horizontally for a scrub distance to weaken the wire at ball neck.Device 1Device 2W/clamp openScrub one direction away from ballActua
14、l Scrub Distance = Setting x 0.8 umIf Scrub Distance Setting = 10Then Actual Scrub Distance = 8 um Capillary move to set Scrub Distance One direction ONLY - Away from the ball Recommended setting = 81111ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7
15、526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights3.7) Capillary rises to tail heightDevice 1Device 2W/clamp closeCapillary moves to set Tail Length (Amount Z movement above the bump before the wire clamp
16、closes)Recommended setting = 351212ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights3.8) Capillary rises an
17、d tears the wire, as BH ascend to Fire Level.Device 1Device 2W/c close1313ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoarin
18、g to New Heights3.9) EFO fires to form free air ball. Cycle repeats until all “Standoff Ball” are placed.Device 1Device 2Bond BallFAB1414ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel
19、: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights3.10) After placing all standoff balls. The machine continue to bond wires. 2nd Bond(wedge)1st Bond Device1Device2Device1Bond Ball1515ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. T
20、el: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New HeightsBump ball formation for BSOB/BBOSMOTION BO LB BT SCNormalLBBOBTScrubFlatLBBOBTScrub=0CONELBBOBT=LBScrub=0 LB BO BT LB BOThe bump ball formation p
21、rocess is almost like bonding a normal wire, including 1st bond, looping and 2nd bond parameters.1616ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 S
22、oaring to New HeightsSoaring to New Heights4.0) PARAMETER DEFINITION IN STAND OFF BALL CONTROL MENU4.1) Loop BaseThis parameter determines the loop level of the bondhead which should be sufficient to avoid the ball.Range: Loop Base 0 5Setting : 24.2) Ball OffsetThis setting controls the distance of
23、the table move in order to offset the capillary from the standoff ball.Negative value can be moved towards to the first bond.Positive value can be moved away from the first bond.Range: Ball Offset - 40 20Setting : - ve 35 1717ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singap
24、ore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights4.4) Scrub DistanceThis setting controls the capillary moves horizontally with a Scrub amplitude to weaken the wire at neck. It is a
25、lways away from thefirst bond.Range: Scrub Dist 4 12Setting : 84.5) Tail LengthThis setting controls the length of the tail where the bondhead rises to the preset height before the wire clamp is closed. Range : Tail Length 30 40Setting : 354.3) Ball ThicknessThis parameter refer to the ball thicknes
26、s which controls the level of the bondhead as it descends to the top of the ballRange: Ball Thickness 0 5Setting : 21818ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 ,
27、Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights4.6) Time Base 1/2This setting controls the bond time applied to the standoff ball control only. Time 1 for the 1st bond and Time 2 for the 2nd bond.4.7) Power Base 1/2This setting controls the ultrasonic power applied to the standoff bal
28、l control only. Power 1 for the 1st bond and Time 2 for the 2nd bond.4.8) Force Base 1/2This setting controls the bonding force applied to the standoff ball control only. Force 1 for the 1st bond and Force 2 for the 2nd bond.1919ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Sin
29、gapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights4.9) Standby Power 1/2This setting controls the power activated when the bonding head reach the search level, to the moment the b
30、ond head contacts the bond surface. With the vibration, before contact take place. Bond head will clean up the pad surface and remove water vapor on the pad. This parameter used for the standoff ball control only.4.10) Contact Time 1/2Refer to the Contact time 1/2 definition in Bond Parameter menu.
31、But this parameter will be affected on the Standoff ball control only.2020ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoarin
32、g to New Heights4.11) Contact Power 1/2Refer to the Contact Power 1/2 definition in Bond Parameter menu. But this parameter will be affected on the Standoff ball control only.4.12) Contact Force 1/2Refer to the Contact Force 1/2 definition in Bond Parameter menu. But this parameter will be affected
33、on the Standoff ball control only.2121ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New HeightsFigure 4 : Standoff
34、Ball Control Parameter Display(page 2)5.0 BSOB WIRE PARAMETERS2222ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New
35、 Heights5.1) Wire Offset In -MenuThis is the offset parameter that is required to ensure maximum contact area between the stitch bond and ball. It is always away from the first bond.Range: Wire Offset 10 30 Recommended setting = 255.2) Second Bond Search SpeedThis Parameter controls the impact for s
36、titch on ball. Range: Search Speed 2 32 256Recommended setting = 322nd Bond WedgeStand Off BallCapillary position during stitch bond2323ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel:
37、 (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New Heights5.3) Time Base 1/2This setting controls the bond time applied to the device. Time 1 for the 1st bond and Time 2 for the 2nd bond. 5.4) Power Base 1/2This setting controls the ultrasonic power applied to the device. Power 1
38、 for the 1st bond and Time 2 for the 2nd bond.5.5) Force Base 1/2This setting controls the bonding force applied to the device. Force 1 for the 1st bond and Force 2 for the 2nd bond.2424ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65
39、)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New HeightsBall Parameters for BSOB and BBOS5.6 Tail LengthControls the length of the tail where the bond head rises to the preset height before the wire clamp is closedRange 15 45 (*
40、10um)2525ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New HeightsBall Parameters for BSOB and BBOS5.7 Tail break T
41、imeUsed to increase the wire straightness and reduce the snake wire during BSOB/BBOS applicationRange 0 - 100 (*0.25ms)Setting 102626ASMASMASMTechnology SingaporeTechnology Singapore2 Yishun Avenue 7, Singapore 768924. Tel: (65)-7526311 , Fax: (65)-75822872 Yishun Avenue 7, Singapore 768924. Tel: (6
42、5)-7526311 , Fax: (65)-7582287 Soaring to New HeightsSoaring to New HeightsBall Parameters for BSOB and BBOS5.8 Tail Break DistanceUsed together with the tail break timeTraveling distance can be determined by the settingRange 10 50 (*10um)Setting 25Tail break time and tail break distance are valid only when the wire or ball tail break map in wire parameter menu is set to “Y”.2727
