Technical Capabilities

Complete PCB Assembly and Testing Services for Complex Applications

At Sierra Assembly, we specialize in designing complex custom printed circuit board assemblies. We are able to provide PCB assemblies for a variety of application industries. These include medical, defense, telecom, wireless, and industrial electronics. We are able to meet diverse requirements thanks to our extensive knowledge, practical and innovative solutions, and the usage of the latest PCB assembly software and machines.

A Look at our Technical Capabilities

At Sierra Assembly, we spare no expense in procuring the latest in PCB assembly equipment. These include a variety of placement machines, repair equipment, reflow and cleaning system, as well as testing and inspection equipment. You can learn more about our technical capabilities by perusing the lists given below.

Technical Equipment:

• X-ray Laminography
• Surface Mount Addendum
• Onsite Firmware Programming
• Auto Calibration for SMT Lines
• Largest PCB/Panel Size: 18 x 20ʺ
• Smallest PCB/Panel Size: 1.2ʺ wide
• Largest QFP Size: 75 mm x 75 mm
• Largest BGA Size: 75 mm x 75 mm
• Component Placement to 7 mil Pitch
• Smallest Passive Component Size: 0201
• BGA Pitch Range: From 0.25 mm to 3 mm
• High Layer and Ultra Dense Component Counts
• Smallest QFP Pitch Range: From 0.25 mm to 3 mm
• Bed of Nails (Fixture) ICT test Station: Genrad 2280
• Smallest Space between Adjacent Components: 0.05ʺ
• Laser Alignment and Vision Systems for SMT Placement
• 10 zone Air Convection Reflow System with Nitrogen Atmosphere
• BGA, uBGA, Ultra-fine Pitch QFP, QFN, CSP, FCP, and 0201 Placement and Repair
• Component Placement Speeds:
• Juki: 12,500 per hour
• Component Placement Accuracy:
• Juki: +30 μm (3 Sigma)

• Cable and harness assembly
• Complete mechanical assembly
• Single and double-sided assembly
• PTH, SMT, and mixed technology assembly
• Rework and repair including BGA and QFP
• Complex RoHS and non- RoHS PCAs up to 18 x 20ʺ
• Fixture and fixtureless in circuit testing and functional testing
• Conformal coating and potting
• No clean flux process and closed loop aqueous cleaning system

If you have any queries about our technical capabilities, or if you wish to know about PCB assembly solutions please contact us via phone on 909.606.7700 or send us an email at sales@sierraassembly.com.