PVA BRUSH

In the semiconductor industry, where no impurity can be tolerated, addressing contamination defects that occur after the CMP process is crucial for yield improvement. At the heart of this solution is the functional PURIENCE PVA Brush.

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PVA Brush Features

High elasticity when wetted
Capability to manufacture various brush shapes
Adjustable pore size
Excellent mechanical properties and wear resistance
Strong resistance to sunlight and UV radiation
Heat resistance up to 80°C in wet conditions and 120°C in dry conditions
No dust generation
Absorbs 12–18 times its weight in moisture
Pores connected in an open-cell structure
8inch PVA Brush​
NO.
Product Name
Equipment Manufacturer / Model Name
Diameter
Inner Diameter
Length
IC70-AM31-H218-P
PURIENCE-70-31-BRUSH-AMAT_P
AMAT / MIRRA MESA
70
31
218
MC60-UN32-H254-P
PURIENCE-60-32-BRUSH-UNIPLA_P
DOOSAN DND / UNIPLA
60
32
254
IC60-ON32-H241-P
PURIENCE-60-32-BRUSH-ONTRAK_P
Lam Research / ONTRAK
60
32
241
MC38-EB18-H218
PURIENCE-38-18-BRUSH-EBARA
EBARA / F-REX200
38
18
218
12inch PVA Brush
NO.
Product Name
Equipment Name
Diameter
Inner Diameter
Length
MC70-AL31-H319-P
PURIENCE-70-31-BRUSH-AMAT-LK_PC​
AMAT / REFLEXION LK​
70
31
319
IC70-AL31-H319-P
PURIENCE-70-31-BRUSH-AMAT-LK_PS​
AMAT / REFLEXION LK​
70
31
319
IC70-AL31-H318-C
PURIENCE-70-31-BRUSH-AMAT-LK_C
AMAT / REFLEXION LK​
70
31
318
IC60-EX32-H309-P
PURIENCE-60-32-BRUSH-EBARA-X_PS
EBARA / F-REX300X​
60
32
309
MC60-EX32-H309-P
PURIENCE-60-32-BRUSH-EBARA-X_PC​
EBARA / F-REX300X​
60
32
309
MC38-ESS18-H310-P
PURIENCE-38-18-BRUSH-EBARA-PC​
EBARA / F-REX300S2
38
18
310
PHYSICAL PROPERTY
Specifications
200MM(8inch)​
300MM(12inch)​
Image
Average Pore Size (µm)
25㎛,96㎛​
80㎛​
Porosity (%)
88-90%​
90%​
Moisture Absorption Rate (%)
700-1100%​
817%​
True density (g/cm3)
1.2436g/cm3​
1.3016g/cm3​
CHEMICAL RESISTANCE
Chemical
Consertration
Chemical
Concentration
Acetic acid
<3%
Isopropanol
<8%
Acetone​
<20%
Methyl ethyl ketone
<10%
Ammonium hydroxide​
<20%
Methanol
<20%
Citric acid​
<10%
Phosphoric acid
<5%
EDTA​
<10%
Sodium hydroxide
<5%
Ethanol​
<10%
Sulfuric acid
<5%
Hydrochloric acid​
<3%
Tetrahydrofuran
Attacked
Hydrofluoric acid​
<5%
Xylene
Slight hardening
Hydrogen peroxide​
<5%
-
-
CONTAMINATION
Ion​
Concentration(ppb)​
Br-​
<0.5​
Cl-​
<0.7
F-​
<0.5​
NO3-​
<0.5​
SO42-
<0.5​
Na+
<0.5​
Li+
<0.2
K+
<0.5​
Ca2+
<0.5​
Mg2+
<0.2
Ion​
Concentration(ppb)​
Li
0.02
Na
0.02
K
0.02
Mg
0.02
Ca
0.03
Al
0.005
Cu
0.005
W
0.005
Cr
0.009
Fe
0.009
3D RENDERING ANALYSIS

We offer high-resolution internalstructural analysis using Micro-CT imaging.