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Phone: 978-374-5000
  

SMT/BGA Pad Repair

Surface mount and BGA pad repair are routine operations performed daily at Circuit Technology Center. Damaged pads are replaced with specially fabricated, adhesive backed pads that are thermally bonded to the board surface.

This reliable IPC Recommended Procedure eliminates the need for using messy liquid epoxies to bond replacement pads in place. We stock thousands of different sizes and shapes of replacement pads.

Preview the slides below to discover how we do it.
  • This image shows typical damage to surface mount pads. During rework they can become damage or lifted. If you attempt to re-bond the damaged pad using liquid epoxy, you are likely to have a poor result.
  • We evaluate the extent of the damage and determine the labor time and materials costs. We confirm to you the full cost before we proceed. Once you give us the approval, we schedule the work.
  • Step 1: We remove the defective pad and any contamination from the circuit board surface. We also remove solder mask or coating from the connecting circuit and tin the connecting circuit with solder.
  • Step 2: We select a replacement surface mount pad that matches the size and shape of surface mount pad to be replaced. The replacement surface mount pad has a dry-film adhesive bonding film applied to the bottom side.
  • Step 3: Before trimming out the new pad, we carefully scrape off the adhesive bonding film from the solder joint connection area on the back of the new pad to ensure we obtain a reliable solder connection.
  • Step 4: We cut out and trim the new pad. We include a length of connecting circuit that will overlap the circuit remaining on the circuit board surfaces to allow for a lap solder connection.
  • Step 5: We place a piece of high temperature tape over the top surface of the new pad and place the new pad into position on the circuit board surface using the tape to maintain alignment.
  • Step 6: We use a special bonding system and heated bonding tips to apply heat and pressure to cure the dry-film adhesive backing on the replacement pad.
  • Step 6: The heated tips are matched to the size and shape of the replacement surface mount pad.
  • Step 7: If the new pad has a connecting circuit, we lap solder the joint. We then coat the lap solder joint connection area with high-strength, high-temperature epoxy to complete the repair.
  • This photo shows many repaired surface mount pads. This high conformance level repair follows documented IPC guidelines to ensure the repair is reliable and robust.
For prices on surface mount pad repair go to: Service Charges.
Purchase Order / Quote Request Form
To place your purchase order or quote request by phone call 978-374-5000. You may also place your purchase order or quote request using the form below.

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Related Guide Procedures

4.7.1 Surface Mount Pad Repair, Epoxy Method
Procedure to repair damaged and lifted surface mount pads.
4.7.2 Surface Mount Pad Repair, Film Adhesive Method
Procedure to repair damaged and lifted surface mount pads.
4.7.3 Surface Mount, BGA Pad Repair, Film Adhesive Method
Procedure to repair damaged and lifted surface mount and BGA pads.
4.7.4 Surface Mount, BGA Pad with Integral Via Repair
Procedure to repair damaged and lifted surface mount and BGA pads.
4.7.5 Surface Mount, BGA Pad with Integral Via Repair Circuit Extension Method
Procedure to repair damaged and lifted surface mount and BGA pads.
 

Related Feature Articles

Case of the Missing SMT Pads
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BGA Component Site Modification - Is It Possible?
BGA rework is a topic about which volumes have been written, and in most cases the focus has been on component removal and ...
Solder Mask Rework at a BGA Site
What happens when a BGA socket is phased out, but the solder mask is not updated. Solder mask is not needed for sockets, but ...
Solder Mask Touch-Up At BGA Sites
Solder mask is delicate and easily damaged or dislodged during BGA rework. If it isn't repaired, the result is often more rework ...
Solution for BGA Footprint Mismatch
You have a new board and the BGA component doesn't fit the board footprint. Is this a nightmare of a problem? It is one we see every ...
 

Related Products

201-2100 Professional Repair Kit
Kit to repair circuit board damage including pads, lands, conductors, base material and plated holes.
Circuit Frames
Circuit Frames for surface mount pad, BGA pad and conductor repair.
115-4100 Bonding System
System designed to repair lifted and damaged conductors, pads, BGA pads, SMT pads.
Need more information?
Use the form on our Contact Us page, or give us a call at 978-374-5000.

BGA Component Reballing

Including BGA component reball service to replace lead-free solder balls with leaded solder balls for high-rel applications.

BGA Component Rework

Including BGA rework, BGA component x-ray services, repair of damaged BGA pads and repair of BGA solder mask damage.

BGA Component Site Modification

This ingenious modification procedure uses flat copper ribbon that fits under the BGA component to provide an electrical path for modification.

Base Board Repair and Rework

Including repair damaged circuit base board laminate, delamination, warp, hole damage, burns, and solder mask damage.

Circuitry and Plated Hole Repair

Including repair damage to conductors, circuitry and plated holes, plus repair of damaged plated holes with inner layer connections.

Coating and Marking Rework

Including removal or replacement of conformal coatings and solder mask, and repair of circuit board legend and markings.

Component Rework

Including removal and replacement of surface mount components, through hole components, connectors and many other component types.

Component Salvage

Includes removal and salvage of BGA components, surface mount components, connectors and many other component types.

Engineering Change Services

Including ECO, engineering changes, upgrades, modifications, jumper wires, circuit cuts, and other modification procedures.

Gold Edge Contact Plating

Including repair and replating of solder contaminated gold contacts, scratched gold contacts and worn gold contacts.

Inspection Services

Including BGA component and circuit board x-ray inspection services using high-end Dage inspection systems.

Keysight Technologies Adapter Rework

This page explains the process for installing Keysight Technologies DDR2 DRAM BGA Probes onto circuit boards.

Order Tracking Form

Form to send circuit boards to us for repair and rework.

Quote Request

Use this form to request a quote for circuit board repair, rework, modification services.

SMT/BGA Pad Repair

Including repair of damaged, lifted or missing surface mount pads, BGA pads, and BGA pads with with integral via connections.

Terms, Prices, and Delivery

Service terms, prices, and delivery information covering our circuit board repair and rework services.

Customer Comments
"We were struggling with BGA rework on four of our most complicated assemblies until we decided to send them to you. Your team has been awesome and you've come through on every project."
R.R. Oklahoma City, OK USA
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Circuit Technology Center, Inc.
22 Parkridge Road
Haverhill, MA 01835 USA
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