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Semitac Limited offers a range of services in Printed Circuit Board (PCB) design
on a contract/quote or time & materials basis. Whether a specific design task or a
full range service is required we can meet your requirements. Design facilities include
PCB layout, schematic entry and mechanical CAD as well as electronic circuit design.
Our emphasis is on quality workmanship, properly detailed, in a timely manner. Large or
small, simple or complex, we can provide a design solution for your requirements.
Based on created or customer-supplied schematics or netlists, PCB designs can be
produced to required specs. Design rules such as trace width, annular ring, component
placement, footprints ect. are adhered to based on IPC guidelines or customer
specification. Analog, power and critical signals are manually routed while most digital
signals are autorouted to reduce design time and costs. Single to multi-layer design
capabilities. Board-shop-ready artwork is provided in Gerber format and can be accompanied
by IPC-356 netlist data.
- Analog, digital
- Multi-layer (4 - 16+) design
- Design to IPC-2221/2 Standards
- Flooded, CAM, Split/Mixed Planes
- Decal/Footprint creation
- Manual/Dynamic routing
- Autorouting (Rule and Shape based)
- Gerber output RS-274D, RS-274X
- PCB Specification document
- IPC-356A netlist & fabrication data
- Design For Fabrication/Manufacture
- IPC Certification (CID)
-see Services page for additional design related services
PCB Layout tools currently supported:
- Cadstar
- Valor
- GC Prevue Gerber Editor
- AutoCAD 2006
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Entry of circuit details into schematic form is an essential requirement for the
transfer of the circuit to PCB Layout. PCB footprint or decal information as well as
specific design rules e.g. trace width and spacings, differential pairs, layer definition,
ect. ensure PCB layout is correctly setup. For in-process updates or Engineering Change
Orders (ECO), transferring those changes to or from the PCB ensures the circuit design
matches the PCB design. Various output formats are available for design review or final
documentation archiving.
- Entry from various forms (hand-drawn, CAD, even ‘napkin scribbles’ !)
- Complete design to data sheet check
- Decal creation and verification
- Design rule, PCB parameter entry
- PCB Footprint setup & verification
- Company logo and sheet style creation
- Printing services (PDF, HPGL, DXF, hardcopy)
- Transfer to PCB netlist
- BOM and parts list compilation
- ECO updates
- Design block diagrams
Schematic Entry tools currently supported:
- Cadstar 3.0, 6.0, 7.0
- Orcad Capture 9.2
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While not a full mechanical design service, Semitac Limited provides mechanical
CAD services for the purposes of PCB production and assembly documentation. In addition,
mechanical fixtures and accessories drawings can also be created.
We are currently evaluating SolidWorks for 3D Solids parts and assemblies. We will be
concentrating on racks, chassis, 3D electronic parts and PCB assemblies. In addition, we
are working on software to link PCB design applications to SolidWorks for 3D rendered
visuals, interference analysis and assembly documention.
- Detailed PCB assembly drawings
- Production drawings (wiring, assembly visuals)
- 3D assembly profiling (Solids)
- Enclosures
- Brackets, heatsinks
- DXF, DWG format
- IDF ECAD exchange
Mechanical CAD software currently supported:
- AutoCAD 14, 2006
- Pro Engineer
- SolidWorks 2001, 2001+
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