Lian-Mueller Enterprises is an authorized distributor for Qualcomm Atheros Communications, 8Devices, LinkCom, Siretta & Related Products and Services, DFM

Welcome to LME

DFM - Design for Manufacturability - 100% coverage

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Quick Overview

Save 3-5 weeks Time-to-Market and likely one fab spin. - ROI is usually 5-10x of DFM cost.


DFM Service (Design for Manufacturability & Reliability) using Valor NPI:


     - 100 percent component coverage.  Any components not on file in the Valor library

       (30+ million components) are created and checked.  Customer is contacted 

       within 24-48 hrs for any missing datasheet information (component mechanical dimensions) 

     - Standard turn: 48-72 hours.  For expedited turn (24-48 hrs, increased fee of 50%)


     - We generally find at least one item which will require redesign of the fab/PCB

       and/or change in the BOM (Bill of Materials)§Comprehensive set of DFM rules

     - Report outlines violations, exact location, and recommended fix / solution

     - Provide recommended footprint which reduce assembly rework and enhances long term reliability of solder joints


     - Over 520 checks performed, comprehensive set of DFM rules, plus netlist and BOM validation

     - Require excel BOM which includes Manufactuer Part Number plus reference designator



     - Require CAD Data.  Accepted formats listed in order of preference:

                        Design Software / format                            File extension

                               ODB++                                                TGZ, .TAR, .XML.GZ

                               ODB++ Gateway                                 ODB

                               Cadence Allegro                                  BRD or *_{boardname}.OUT

                               Mentor PADS                                      ASC (save as ASCII file)

                               Mentor Boardstation                            PRT, .NET, >WIR, >CMP, ASCII Geoms file

                               Altium Protel                                        .PCB

                               Orcad                                                   .MIN, .MAX

                               Zuken CADIF                                       .PAF

                               Gencad                                                .CAD

                               Gerber 274                                           .GBL, .GBR, .PHO, .DRL

 

Contact us for pricing, detailed service offering, to initiate NDA, or more information.  ITAR service also available.

 

PCB Layout Example

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  • PCB Layout Example
  • Package mismatch example
  • Package spacing violation example
  • Package footprint not optimum example
  • Package Comparison

Details

Save 3-5 weeks Time-to-Market and likely one fab spin. - ROI is usually 5-10x of DFM cost.

DFM Service (Design for Manufacturability & Reliability) using Valor NPI:

     - 100 percent component coverage.  Any components not on file in the Valor library
       (30+ million components) are created and checked.  Customer is contacted 
       within 24-48 hrs for any missing datasheet information (component mechanical dimensions) 
     - Standard turn: 48-72 hours.  For expedited turn (24-48 hrs, increased fee of 50%)
     - We generally find at least one item which will require redesign of the fab/PCB
       and/or change in the BOM (Bill of Materials)§Comprehensive set of DFM rules
     - Report outlines violations, exact location, and recommended fix / solution
     - Provide recommended footprint which reduce assembly rework and enhances long term reliability of solder joints
     - Over 520 checks performed, comprehensive set of DFM rules, plus netlist and BOM validation
     - Require excel BOM which includes Manufactuer Part Number plus reference designator
     - Require CAD Data.  Accepted formats listed in order of preference:
                        Design Software / format                            File extension
                               ODB++                                                TGZ, .TAR, .XML.GZ
                               ODB++ Gateway                                 ODB
                               Cadence Allegro                                  BRD or *_{boardname}.OUT
                               Mentor PADS                                      ASC (save as ASCII file)
                               Mentor Boardstation                            PRT, .NET, >WIR, >CMP, ASCII Geoms file
                               Altium Protel                                        .PCB
                               Orcad                                                   .MIN, .MAX
                               Zuken CADIF                                       .PAF
                               Gencad                                                .CAD
                               Gerber 274                                           .GBL, .GBR, .PHO, .DRL
 
Contact us for pricing, detailed service offering, to initiate NDA, or more information.  ITAR service available.