Save. Share. Connect.
Tuesday, July 26, 2016
VOLUME - NUMBER
SEMICON West '16
Atlantic Design/ATX/MDM '16
NEPCON China,SMT/Hybrid Pkg,EDS,EWPTE '16
ATX/MDM West '16
productronica,The ASSEMBLY Show, IMAPS, MDM/Minneapolis '15
Nepcon South China '15
SEMICON West '15
ATX/MDM EAST '15
EDS, SMT/Hybrid Pkg,Wire Tech Expo '15
NEPCON China '15
ATX WEST/APEX '15
AATE and IPC MW 11
SMTAI, Autotest, ATX MW/MDM and Assembly '14
SEMICON West '13
Electronics West/MDM and IPC/APEX '13
SEMICON West '14
NEPCON China, SMT/Hybrid Pkg, EDS, NWPTE '14
IPC APEX '14
Electronics West/MDM 10
ATX Midwest, IMAPS, PCB West '13
ATX West '14
ATExpo & IPC MW 07
NEPCON China '13, EDS, more
SEMICON WEST/Intersolar '12
NEPCON China Product Preview '12
Atlantic Design/MDM 10
Electronics West/MDM 11
SEMICON WEST 10
Atlantic Design/MDM 11
ATLANTIC DESIGN & MFG '13
Atlantic Design/MDM 09
SEMICON WEST 08
NEPCON South China '13
ATExpo & IPC MW 08
Electronics West/MDM 08
NEPCON China Product Preview '13
Electronic West/MDM 09
SMTAI and productronica '13
Multi tradeshow Product Preview '12
AATE/IPC Midwest 10
Electronics West/MDM 12
ATE and IPC MW 09
SMTAI and productronica '13
Atlantic Design/MDM 08
HOME / CURRENT ISSUE
Add Message Board
OK Int'l Launches Enhanced PV Soldering Systems
Enhanced PV tabbing soldering system.
Garden Grove, CA — OK International has launched a new soldering system for PV tabbing and bussing applications proven to reduce micro cracking. The PS900 with specially designed hoof tip geometry optimizes the power delivered to the solder joint while its temperature-sensitive heater ensures low temperature soldering, thus minimizing thermally-induced stresses on cell surfaces.
The PS 900 incorporates the company's patented SmartHeat
Technology that will produce and maintain a specific, self-regulated temperature with a heater that requires no calibration and responds directly to thermal loads.
There are two suitable solder alloys utilized for solar cell soldering application: Sn96Ag4 with a melting point of 221°C, or bismuth-containing Bi58Sn42 with a melting point of 138°C. Proper soldering will result in an intermetallic layer that is 1 to 2µm thick, which demands precise time and temperature control during the solder joint formation.
Micro cracking of delicate solar cell substrates is a common defect that can occur during PV tabbing and bussing soldering processes. Reducing the soldering temperature to a minimum prevents the cells from being subjected to mechanical or thermal stresses. During the soldering operation, differential thermal expansion of the copper and the silicon elements can occur at temperatures greater than 300°C. This differential can result in the formation of micro-cracks that may not be detected during the manufacturing process and result in reduced field lifespan.
The new soldering system with specially designed STV-DRH440A hoof-tip geometry optimizes the power delivered to the solder joint, thus providing high performance efficiency with increased tip life. Its temperature-sensitive "T" heater series ensures low temperature soldering and thus minimizes thermally induced stresses on the surface of the solar cells.
Contact: OK International, 12151 Monarch St., Garden Grove, CA 92841
714-799-9910 fax: 714-799-9533 Web:
See at APEX Booth #1482.
© 2015 USTECH. All Rights Reserved. |
Contact Us: 610-783-6100 | email@example.com
powered by GIM