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Dicing Blade Seminar
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Dicing Blade Seminar
History:History:• 4” versus 2” technology
• Separating techniques
Marketing profile & Market segmentationMarketing profile & Market segmentation
Manufacturing techniques:Manufacturing techniques:• Nickel Bond
• Steel core - Nickel
• Resin Bond
• Metal Sintered• Diamond selection
Blade characteristics:Blade characteristics:
•• Advantages & disadvantages of the differentAdvantages & disadvantages of the different
blade binders & blade geometry'sblade binders & blade geometry's
Dressing:Dressing:
•• PrinciplesPrinciples
•• Dressing techniquesDressing techniques
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Dicing Blade Seminar
Cont.Cont.
Process techniques & Parameters:Process techniques & Parameters:• Application Characteristics
• Cutting mode• Clamping methods
• Cooling
• High cooling flange
• Cutting through heavy substrates
• Cutting through into tapes• Recommended exposure left
Major applications Major applications -- Material dicing guide:Material dicing guide:• Recommended Spindle speed
• Dicing green ceramic
Special applications:Special applications:
Optimizing the cutting process:Optimizing the cutting process:
Trouble shooting:Trouble shooting:
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4” Diameter Versus 2” Diameter
More edge surface Longer life Less blMore edge surface Longer life Less blade wearade wear
More diamondsMore diamonds
Shallower angle of attack Less material damageShallower angle of attack Less material damage
More blade surface in More blade surface in kerfkerf during dicing during dicing
““Less vibrationsLess vibrations””
““Higher feed rateHigher feed rate””
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Dicing Blade Seminar
K&S K&S -- 775775
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Dicing Blade Seminar
K&S K&S -- 780780
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Dicing Blade Seminar
K&S K&S -- 980980
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Dicing Blade Seminar
ADT ADT -- 71007100
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Dicing Blade Seminar
ADTADT
7500 & 73007500 & 7300
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Dicing Blade Seminar
ADT ADT -- 72007200
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Dicing Blade Seminar
ADT - 7900
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Peripheral Products
� 966 - Wafer Mounting Stations
� 955 - UV Curing Systems
� 977 - Wafer Cleaning Stations
� 937 - Re Circulating Spindle Water Chiller
� 921 - Closed Loop Filtration System
� 947 - C02 In-Line injector
� Film Frames and Film Frame Cassettes
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Peripheral Products
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Separating Techniques
StagStag
Break lineBreak line
Laser ScribeLaser ScribeBreak lineBreak line
Diamond ScribeDiamond Scribe
SiliconSilicon
125 125
KerfKerf widthwidthEdge qualityEdge quality
Cut depthCut depth
Diamond dicing Diamond dicing
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Diamond Scribing process
Scribe & break lineScribe & break line
PyramidPyramid
DiamondDiamond
GaAsGaAs waferwafer
Scribe lineScribe line
~ 10~ 10°°
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Separating Techniques
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Dicing Seminar
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Market Profile
PrecisionPrecision
DicingDicing
SystemsSystems
InstrumentationInstrumentation
Optoelectronics & OpticsOptoelectronics & Optics
Sensors & TransducersSensors & Transducers
Data ProcessingData Processing
Magnetic HeadsMagnetic Heads
ElectronicsElectronics
Active DevicesActive Devices
Passive devicesPassive devices
PackagingPackaging
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Market Segmentation
• Medium / High Volume
• High Quality
• High Yield
• High Accuracy
• Thin Walls (Minimum Vibration)
• Land Definition & Separation
• Medium Volume
• Die separation
• Semi-auto Operation
• Pilot Line, R&D
• High Quality
• High Yield
• Medium / High Volume
• High Quality
• High Yield
• Large Substrate Area
(14”X14”)
• Range of Thick. &
Hardness
• Medium / High Volume
• High Quality
• High Yield
• Medium / High Accuracy
• Broad Range of Thickness &
Hardness
• Medium/High Volume
• High Quality
• High Yield
• High Accuracy
• Broad Range of Thickness &
Hardness
• Costly Materials
• Medium Volume
• High Quality
• High Accuracy
• Broad Range of Thickness
• Small to Medium Area (<6”X6”)
• Thin Walls (minimum vibration)
• Costly Materials
Market & Process
Highlights
• Titanium Carbide (TIC)
• Ferrite
• Alumina (TIC)
• Silicon
• Gallium Arsenide
• Gallium Phosphate
• Germanium
• Green & Fired Ceramic
• Alumina
• Glass
• Fiberglass
• Plastic
• Green & Fired Ceramic
• Alumina
• Quartz
• Lithium Niobate
• Plastic
• Glass
• Quartz
• Germanium
• GaAs, Silicon
• Sapphire
• Glass
• Beryllium
• Fiber Optic
• Piezoelectric
• Silicon on sapphire (SOS)
• Calcium Tungsten
Materials
• Thin Film (disk)
•Thick Film (disk)
• Tape R/W Heads
• IC’s
• Transistors
• Diodes
• Discrete Devices
• Power Devices
• PCB
• PPGA
• Chip Carriers
• IC Packaging
• Hybrid Substrate
• Resistors
• Capacitors
• Oscillators
• Signal Fillers
• Communication & Microwave
• Thin Film Print Heads
• Photo Detectors
• Lasers
• LED / VLED
• Fiber Optic Couplers
& Transceivers
• Display Panels (LCD,
Flat Panels)
• Facsimile Scan /
Print Heads
• Optical Components
• Ultrasound
• Electro medicine
• Measurement Instruments
• Aerospace
• Automotive
• Solar Cells
Devices & Applications
Magnetic HeadsActive
Devices
PackagingPassive
Devices
Optoelectronics
& Optics
Sensors &
Transducers
Market
Segmentation
Data ProcessingElectronicsInstrumentationMarket
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Single Diamond Machining Mechanism
Chuck saw feedChuck saw feed
Diamond particleDiamond particleBladeBlade
Material removedMaterial removed
SubstrateSubstrate
Blade rotationBlade rotation
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Single Diamond Machining Mechanism
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Blade Seminar
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Blade Seminar
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Diamond Selection in blade
Manufacturing
Strong, blocky single crystalStrong, blocky single crystal
used in nickel & m. sinteredused in nickel & m. sintered
matricesmatrices
Friable, irregular shape coatedFriable, irregular shape coated
with nickel alloy used in resinwith nickel alloy used in resin
matricesmatrices
Blocky shape
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Diamond Selection in blade
Manufacturing
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Standard available Diamonds
Nickel type blades:Nickel type blades:2 2 -- 4mic. , 3 4mic. , 3 -- 6mic., 4 6mic., 4 -- 8mic., 10mic., 17mic., 30mic., 50mic.8mic., 10mic., 17mic., 30mic., 50mic.
Resin type blades:Resin type blades:
3mic., 6mic. (3000 mesh), 9mic. (1800 mesh), 15mic. (1200 mesh),3mic., 6mic. (3000 mesh), 9mic. (1800 mesh), 15mic. (1200 mesh),
20mic. (1000 mesh), 25mic. (800 mesh), 30mic.(600 mesh),20mic. (1000 mesh), 25mic. (800 mesh), 30mic.(600 mesh),
35mic.(400 mesh), 45mic. (325 mesh), 53mic. (270 mesh)35mic.(400 mesh), 45mic. (325 mesh), 53mic. (270 mesh)
63mic. (230 mesh), 88mic. (170 mesh), 105mic. (140 mesh)63mic. (230 mesh), 88mic. (170 mesh), 105mic. (140 mesh)
For special application going up to 200mic.For special application going up to 200mic.
Any new diamond grit can be made Any new diamond grit can be made
Metal sintered blades:Metal sintered blades:22-- 4mic., 34mic., 3-- 6mic., 46mic., 4-- 8mic., 10mic., 17mic., 20mic., 25mic., 30mic.,8mic., 10mic., 17mic., 20mic., 25mic., 30mic.,
45mic., 50mic., 63mic., 70mic., 80mic.,105mic.,45mic., 50mic., 63mic., 70mic., 80mic.,105mic.,
Any new diamond grit can be madeAny new diamond grit can be made
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Nickel Bond - Low Wear blade
Hard NickelHard Nickel
Hard and Hard and
sharp edgessharp edges
Diamond (Blocky)Diamond (Blocky)
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Resin Bond-self re-sharpening and free cutting blade
HighHigh
temperaturestemperatures
DiamondDiamond
Blade wearBlade wear
ResinResin
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Metal Sintered blades
Hard andHard and
sharp edgessharp edges
Bronze binderBronze binder
acting as a heat sinkacting as a heat sink
Diamond Diamond
Bronze + fillers forBronze + fillers for
a tough or a softer a tough or a softer
matrixmatrix
Cobalt matricesCobalt matrices
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Advantages & Disadvantages of blade Binders
ResinResin
Advantages:Advantages:•• Cuts almost any materialCuts almost any material
•• Clean and chip free cuts on hard and brittle materialsClean and chip free cuts on hard and brittle materials
•• Thick blades up to .100Thick blades up to .100”” are availableare available
•• No need for long dressingNo need for long dressing
•• A variety of different resin matrixes is availableA variety of different resin matrixes is available
•• Any new diamond grit can be made at low costAny new diamond grit can be made at low cost
Disadvantages:Disadvantages:•• Higher blade wearHigher blade wear
•• The edge geometry is lost soonerThe edge geometry is lost sooner
•• Relatively lower R.P.M.Relatively lower R.P.M.
•• Minimum thickness is .003Minimum thickness is .003”” depending on diamond gritdepending on diamond grit
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Advantages & Disadvantages of blade binders
NickelNickel
Advantages:Advantages:•• Very low blade wear (Some time it is a disadvantage)Very low blade wear (Some time it is a disadvantage)
•• Maintaining the edge geometryMaintaining the edge geometry
•• Very good on accurate applications (Magnetic heads)Very good on accurate applications (Magnetic heads)
•• Very thin blades can be made Very thin blades can be made -- .0006.0006”” (0.0152mm)(0.0152mm)
Disadvantages:Disadvantages:•• Max thickness .018Max thickness .018”” -- .020.020”” (0.45 (0.45 -- 0.50mm)0.50mm)
(Can go thicker with Steel Core blades)(Can go thicker with Steel Core blades)
•• Long dressing procedureLong dressing procedure
•• High cost of new diamond grits (New plating setHigh cost of new diamond grits (New plating set--up)up)
•• Can not cut very hard and brittle materials (Overloading)Can not cut very hard and brittle materials (Overloading)
•• Side wear on Side wear on singulationsingulation type application due to min. type application due to min.
radial wear. (BGA & similar applications)radial wear. (BGA & similar applications)
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NickelNickel
Advantages & Disadvantages of blade binders
New blade Corners wear Side wear
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Advantages & Disadvantages of blade binders
Hard bond Hard bond –– shorter lifeshorter life Soft bond Soft bond –– longer lifelonger life
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Advantages & Disadvantages of blade binders
M. SinteredM. Sintered
Advantages:Advantages:•• Lower wear than Lower wear than ResinoidResinoid
•• Maintaining the edge geometry much longer compare to resinMaintaining the edge geometry much longer compare to resin
•• Can be lapped to very precise thicknessesCan be lapped to very precise thicknesses
•• Very thick blades can be made (Way over .020Very thick blades can be made (Way over .020””))
•• Stable matrix (Stress free)Stable matrix (Stress free)
•• Many different matrices can be made (Softer or harder)Many different matrices can be made (Softer or harder)
•• Any new diamond grit can be made at low costAny new diamond grit can be made at low cost
Disadvantages:Disadvantages:•• Longer dressing compare to Longer dressing compare to ResinoidResinoid
•• Minimum thickness limitations (New thin product is developedMinimum thickness limitations (New thin product is developed
down to down to 0.030mm) 0.030mm)
•• Relatively lower R.P.M.Relatively lower R.P.M.
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Blade Matrix Characteristics
Quality
Blade Life
RNS
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Blade Characteristics
.025” thick Glass Plate diced with Resinoid blade
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Blade Characteristics
Glass Tubes diced with resinoid Blade
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Blade Characteristics
.025” thick Hard Al. (99.6%) diced with Resinoid Blade
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Blade Geometry
Special edge geometry’s (By grinding)
Angled cutAngled cut
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Blade Geometry
Nickel & Metal Sintered
4.256” O.D. x 54 Slots4.600” O.D. x 60 Slots4.600” O.D. x 16 Slots4.600” O.D. x 8 Slots
2.188” & 2.250”O.D. x 72 Slots2.188” & 2.250”O.D. x 16 Slots2.188” & 2.250”O.D. x 8 SlotsOther O.D. blades x different Slot geometry’s
are available
Resinoid blades can also be made with Slots
Examples:
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Serrated Blades
Advantages:Less contactbetween the edgeand the substrate
Less loadduring thedicing
Better Coolant Longer life
Disadvantages:Wider kerf
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Blade Characteristics
.5” Thick Optical prism diced with a Resinoid Blade
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Special Grooved Blade - SPG
Minimizes load and blade wear duringthe dicing process
Min. thickness .012”
Can be used with a high cooling
flange set or with standard flanges
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Wear Comparison Between Standard & SPG blades
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
0 5 10 15 20 25 30 35 40 45 50 55 60
Test Cuts
Wearin
mm
A
B
C
D
A - Standard blade / 125mic. grit.
B - Standard blade / 125mic. grit with higher diamond conc.
C - Standard blade / 200mic. grit.
D - Special grooved blade with 125mic. grit.
The best performing blade, least wearand flattest slope curve.
[Blade geometry - 4.6” O.D. x 020” thick]
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Diamond Combination & Reinforcement in Resin Blades
Fiberglass / Graphite mesh
reinforcement
~.002”.008” min.
.002”-.003” .004”min. .002”-.003”
Coarse grit
Fine grit Fine grit
Chip free Chip free
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E SeriesExtended Life Resin Blades for QFN
• Low cost versus cut length ration
• Blade life up to ten times longer than
standard resins
• Optimized to provide excellent cut quality
for the most severe dicing challenges
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T - SeriesExtended Life Resin Blades for QFN
QFN Application
0
5
10
15
20
RFP E03 E01 E06 T04Matrix Type
Wear u
m /
mete
r
30 mm/sec 50 mm/sec 70 mm/sec 100 mm/sec
More meters of dicing at 100mm/secMore meters of dicing at 100mm/sec
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5” Technology
Designed for thick substrates where a large
exposure is needed
Blades available:• Nickel serrated- 5.0”O.D. x 3.5” I.D.
5.0”O.D. x 3.0” I.D.• Resinoid - 5.0”O.D. x 3.5” I.D.
5.0”O.D. x 3.0” I.D.• M. Sintered - 5.0”O.D. x 3.5” I.D.
5.0”O.D. x 3.0” I.D.
Standard
4.6” O.D.5” O.D.
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Blade Characteristics
Green Ceramic diced with Nickel Serrated blade
.6” thick substrate
(M.L.C.) diced with
a 5” Nickel serrated
blade
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Blade Characteristics
Heavy Glass bar diced with 5” Resinoid blade
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Blade Characteristics
1/2” Ceramic tube diced with 5” Resinoid blade
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The Effect of Blade & Dicing
Parameters on Cut Quality & Throughput
• Cut quality
• Throughput• Blade wear
Soft
Phenolic
Resin
Medium
Metal
Sintered
Hard
Nickel
Hard / Brittle
Cut depth
Spindle torque
Diamond grit
Blade thickness
Blade & Process
Parameters
Cut depth
Feed rate
Spindle RPMBlade thickness
Diamond grit / %
Blade exposure
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Dicing Seminar
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Nickel Bond Dressing
Before dressing
Diamonds are notexposed
Blade edge
Blade edge after
dressing