One Stop Solution
OPC Drum, Silver Paste, Nano conductive ink…
Made in KOREA
1. Company Profile
Established in March of 2003, CEMS, Inc. is a specialized OPC drum manufacturer providing
the world’s best quality and customer service. We have been able to manufacture products
without glitches by conducting equipment analysis on the basis of our experience and
know-how and attracting experienced talent in the fields of development, manufacturing,
equipment and sales. We intend to take a leap forward to become a world leader in this
field, responding to the national policy of nurturing the components industry and
developing new technologies.
Recognized for our outstanding quality and technological expertise, we obtained
ISO9001:2000 and ISO14001:2004 certification in 2006,
Based on our superb quality, we are increasing our name recognition in foreign countries
including the United States and Japan..
Moreover, with its accumulated experience and technology for Organic Photo Conductor
CEMS has finished the development of Conductive inks.
Nano technology with unlimited potentials for applying to all industries such as RFID Tag,
PCB, Antenna, Display and so on.
We aim to become a world leading manufacturer enhancing customer satisfaction through
continuous equipment investment and development.
2. Company History
 2003. 03.
Foundation of CEMS corporation
 2003. 07.
Completion of the 1st factory.
 2004. 02.
Issued CEMS R&D Center Certificate by Koita
 2004. 04.
Issued Venture business confirmation by Small
and medium business association
 2004. 07.
Acquisition 10 cases trademark right
including Drum for printer
 2004. 05.
Completion of the 2nd factory
 2005. 11.
Awarded US$ 1 Million Export Tower of Trading Day
 2006. 06.
Selected as a promising export enterprise
by Small and medium business administration
 2006. 07.
Selected as INNO-BIZ enterprise
by Small and medium business administration
 2006. 10.
 2006. 11.
 2009. 06.
ISO9001 and RoHS acquisition
Awarded US$ 5 Million Export Tower of Trading Day
Selected for Industry technology development project by The Ministry
of knowledge economy
Silver Paste for PAD printing
□ Silver Paste
Printing image for NFC intenna
CEMS has developed the high quality of Ag Paste for
Cell electrode of Cellerphone intenna with our own nano/high technology
1. Information of Silver Paste
Properties
Silver Conductor Paste fo PAD printing
Remark
Silver Contents
75~85%
Adjustable
Viscosity(cps)
3,000~6,000
Adjustable
Volume Resistity
15 x 10-6 Ω∙㎝
High
Conductivity
Printing
Silicone PAD
Good printability
Drying Range
150℃ x 30min
Good ohmic
contact
 Wide range of curing temperatures
 Good dispersion
Silver Paste for Touch penal
□ Silver Paste
Printing image for electrode[L/S=60um/60um, 70um,70um)]
<L/S=60um/60um>
<L/S=70um/70um>
CEMS has developed the high quality of Ag Paste for ITO electrode of Touch penal with our own
nano/high technology
1. Information of Silver Paste
Properties
Silver Conductor Paste fo Touch penal
Remark
Silver Contents
75~85%
Adjustable
Viscosity(cps)
150,000~180,000
Adjustable
Volume Resistity
55 x 10-6 Ω∙㎝
High
Conductivity
Printing
400 Mesh Metallic or Polymeric screen
Good printability
Drying Range
130℃ x 30min
Good ohmic
contact
 Good adhesion (Glass, PET, ITO, PI)
Glass (100/100)
PET film (100/100)
PI film (100/100)
ITO film (100/100)
Nano-silver Ink for inkjet printing
□ Silver nano ink
SEM image of Silver ink
■ Applications
Silver ink Patterning image
■ Product Features
• RFID
• Good adhesion (Glass, PET, PI)
• FPCB
• Approved jetting performance by most of major
• Solar cell
inkjet head makers(Dimatrix, Xaar Head)
• Intenna
• Wide range of curing temperatures(130~250℃)
• Direct printing of fine patterning with low
■ Product Specification
production cost
Product Information
Properties
Product Categories
SNI-20
SNI-30
SNI-40
Solid Content
20%
30%
40%
Viscosity(cps)
2~3
4~6
7~10
Surface Tension
28~30
38~30
38~30
Washing Solvent
Alcohol,
Gylcol
Alcohol,
Gylcol
Alcohol,
Gylcol
Curing Temp.
Specific Resistivity
(Ω∙㎝)
Substrate
150~250℃
7~12 x 10-6
6~9x 10-6
Polyimide film, PET film
4~9x10-6
Nano-silver wire Ink for R2R
□ SNW(Silver nano wire ink)
SNW coating image
■ Applications
SEM image of SNW ink
■ Product Features
• Transparent silver nano wire Type
• Transparent Conductive Electrode
• Water or Green Solvent Base Types
• EMI Shield Coating
• High Conductivity
• Excellent Flexibility, Resistance to Abrasion
■ Product Specification
Product Information
Properties
Product Categories
SNW-01
SNW-02
Solid Content(wt%)
2
1.5
Viscosity(cps)
2~3
2~3
Transparency(%)
78%
80%
Particle size(nm)
50~70
50~70
Curing Temp(℃)
130~160
130~160
Volume
Resistivity(Ω/□)
45
250
Substrate
Polyimide film, PET film
Equipments in possession
FE-SEM + CL +EDS
PAD Printer
Inkjet Printer for R2R
PSA(Particle Size Analyzer)
Screen Printer
Inkjet Printer (Lab)