CO2 Composite Spray Technology P1 01 for Probe Card Cleaning
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CO CO2 2 Composite Spray Technology Composite Spray Technology for Probe Card Cleaning for Probe Card Cleaning David Jackson, Cool Clean Technologies, PurCO2 Division P1_01 P1_01 Particle velocity Particle velocity Particle mass/size Particle mass/size Spray chemistry Spray chemistry Particle hardness Particle hardness Particle shape Particle shape Impact frequency Impact frequency Spray distance Spray distance Time Time CO CO2 composite spray cleaning composite spray cleaning process effectiveness and process effectiveness and efficiency is controlled by: efficiency is controlled by: SEM Photomicrograph 1 μm Scrubbing CO2 Particles • Structure - molecular crystal, angular, octahedron • Solvency – “Frozen Freon”, 22 MPa 1/2 • Impact Phenomenon – ablation and phase change (solid liquid gas) • Chemistry – can be modified with plasmas, liquids, solids, vapor-phase additives • Compressibility - incompressible • Density - 1.6 g/cm 3 • Hardness – 0.3 Hm (8 Hv) • Particle Size – < 0.5 microns to > 500 microns, range adjustable (coarse/fine) • Impact Stress - up to 60 MPa (8,700 psi)
Transcript of CO2 Composite Spray Technology P1 01 for Probe Card Cleaning
COCO22 Composite Spray Technology Composite Spray Technology for Probe Card Cleaningfor Probe Card Cleaning
David Jackson, Cool Clean Technologies, PurCO2 Division
P1_01P1_01
Particle velocityParticle velocityParticle mass/sizeParticle mass/sizeSpray chemistrySpray chemistryParticle hardnessParticle hardnessParticle shapeParticle shapeImpact frequencyImpact frequencySpray distanceSpray distanceTimeTime
COCO22 composite spray cleaning composite spray cleaning process effectiveness and process effectiveness and efficiency is controlled by:efficiency is controlled by:
SEMPhotomicrograph
1 μm
Scrubbing CO2 Particles
• Structure - molecular crystal, angular,octahedron
• Solvency – “Frozen Freon”, 22 MPa1/2
• Impact Phenomenon – ablation andphase change (solid liquid gas)
• Chemistry – can be modified withplasmas, liquids, solids, vapor-phaseadditives
• Compressibility - incompressible• Density - 1.6 g/cm3
• Hardness – 0.3 Hm (8 Hv)• Particle Size – < 0.5 microns to > 500microns, range adjustable (coarse/fine)
• Impact Stress - up to 60 MPa (8,700 psi)
Metal Oxides and Solder Flux
CleanClean--duringduring--InspectionInspection COCO22 composite spray composite spray cleaning processes cleaning processes easily adapt to and easily adapt to and augment existing probe augment existing probe card maintenance card maintenance programsprograms……..
Spray Pressure/Temp: 40 psi / 120 C Cleaning Time/Distance: 30 seconds / 1.5 inchesChemistry: CDA, Fine CO2 Particles
CO2 Spray Cleaning Parameters
Pad Cres
0
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1 7 13 19 25 31 37 43 49 55 61 67 73 79 85
Contact Pad
Ohm
s Cres Preclean 1Cres Preclean 2CO2 Composite Spray
Pad 90 removedfrom data set.
CO2 Composite Spray Cleaning
0.0000
10.0000
20.0000
30.0000
40.0000
50.0000
60.0000
70.0000
Pad
Ohm
s
Pre-Cleaning 1
Pre-Cleaning 2
Post Cleaning
60
30
1.5
Spray Treatment
Pad 90(outlier)
COCO22 increases probe increases probe maintenance efficiency maintenance efficiency and effectivenessand effectiveness ……..
Significant reduction inSignificant reduction inmaintenance labormaintenance laborCleaner surfacesCleaner surfaces……fasterfasterNo direct contactNo direct contactNo physical damageNo physical damage
PurCO2Clean…Pure & Simple.
David [email protected]
1-661-803-0546
For more informationFor more information……
15 second treatment:• Removal of gross residues• 82% reduction in pad Cres failures
