An EI Sales Company

Tel: (763)574-9983 

Request A Quote

About EI Micro

EI Microcircuits is a contract manufacturing company for printed circuit board assemblies. EI was founded in 1984 in Mankato, MN and is a privately held business. EI specializes in custom PCB assembly along with full turn-key solutions. EI quickly outgrew its starting facility and has since added on to the main facility multiple times. Shortly thereafter they added a second location in St. Peter, MN to accommodate higher volume customer needs. In late 2012 they completed their 3rd building in Mankato which houses their full box build projects.

EI currently has ~260 employees working between the 3 facilities. EI strongly believes in customer service and retention. Currently they have over 110+ customers with their largest customer making up about 19% of overall sales.

Manufacturing Equipment

Coating

  • 5 Automated Conformal Coating Machines
  • 1 Automated Conformal Coating Inspection System
  • 6 Camelot RTV & Mask Dispensers
  • 3 Heller Conformal Coating Cure Ovens Inspection
  • 14 Automated Optical Inspection (AOI) Machines
  • 3 X-Ray Inspection Machines
  • 2 ERSA Scope Endoscopic Inspection Stations
  • 2 3D Paste Inspection Machines
  • 1 Excel Automated Visio Inspection System
  • 1 Fisher Scope X-Ray Inspection System for Pb Detection

SMT Equipment

  • 3 Assembleon AX-501 Ultra High Speed Placement Machines
  • 8 Assembleon MG-I, Txi-II, & Iflex Placement Machines
  • 1 Fuji IP III Flex Placer
  • 1 Fuji CP642 High Speed Chip Shooter Soldering
  • 3 RPS Selective Soldering Machines
  • 1 ERSA 5060 Large Board Selective Solder System
  • 6 ERSA EcoSelect Selective Solder Systems
  • 5 Wave Solder Machines (2 Lead-Free)
  • 3 Ultra Sonic Stencil Cleaners
  • 7 MPM In-Line Screen Printers
  • 7 Heller Reflow Ovens

Other 

  • 3 Dry Boxes 
  • 3 Rework Systems 
  • Clean Room Station 
  • Laser Marking System 
  • Thermal Cycle Chambers

Manufacturing Capabilities

  • SMT 01005, BGA/BGA, QFN, 13 Mil
  • High Pressure Humidification Systems
  • 12+ Change-Overs Per Day
  • Hot Bar Solder Machines
  • 5 Automated Conformal Coating Machines with AOI Inspection
  • Ashby Cross: Meter Mix & Dispenser for Potting

Testing Capabilities

  • 4 ICT Test Systems
  • 1 Flying Probe Test System
  • Thermo Cycle Chamber
  • Functional Testing
  • Troubleshooting

Box Build & Value Add Lines

  • Increased floor space and capabilities
  • Consolidated product flow
  • Frees up customer floor space & reduces overhead

Engineering Services

Design assistance

  • Documentation support & control
  • Design review for cost & manufacturability
  • Valor Software for DFM
  • Component obsolescence (SiliconExpert)
  • Developed our own design rules & geometries before SMTA, IPC guidelines
  • PCB Layout, DFM, DFT, & SMT Conversion
  • ISO 9001 Design Controls
  • Upgraded to 9001:2008
  • Design Review, Verification, & Validation

Project Engineers (7 Total)

  • Engineer assigned to each project
  • Full project responsibility
  • Work with supporting engineers

Locations

Head Quarters:

1651 Pohl Rd, Mankato, MN
50,000 sq. ft.
Phone: (507) 345-5786

Box Build Facility:
69 Power Drive, Mankato, MN
35,000 sq. ft.
 
High Volume Production Facility:
2011 Klein St., St Peter, MN
20,000 sq. ft.
Phone: (507) 934-5722 
Contact Us

763-574-9983

Sales

Holmgren Associates Inc. of Minneapolis - An EI Sales Company

Tel: (763) 574-9983 Fax: (763) 574-9255
Minneapolis, MN
©Copyright Holmgren Associates Inc. of Minneapolis 2014 I Powered by The Power Within