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Heterogeninė integracija Prototyping

SMT Assembly and Serial Production Optimisation

Heterogeneous Integration

Reference
4.3.1
Lead partner
KTU

Technical Scope and Capabilities

This service supports optimization of prototypes for serial production within the Protolab Continental SMT centre at KTU.

Core Infrastructure / Tools / Equipment

The surface-mount assembly line includes

  • IWT Accela for solder paste application
  • Fuji NXT for pick & place machine
  • REHM VX for reflow soldering.

Technical Parameters

Stencil printer IWT Accela:

  • maximum substrate weight, 7kg
  • total system alignment, ±12.5 µm
  • wet print deposit, ±25 µm
  • cycle time, less than 5.5 s
  • maximum board size, 558 × 508 mm
  • minimum board size, 50.8 × 50.8 mm
  • board edge clearance, configurable to 3 mm or 5 mm
  • transport height from floor, 813 - 1041 mm
  • snap-off, -0.025 - 12.7 mm
  • print Speed, 6 - 305 mm/s
  • print Stroke, ±280 mm.

Pick & place machine NXT-1:

  • PCB size, from 48 × 48 mm to 510 × 534 mm
  • patch speed, H12HS – 22500; H08 – 10500; H04 - 6500; H01 - 4200
  • patch accuracy, H12S/H08/H04: 0.05 mm (3 sigma) cpk ≥ 1.00
  • patch range, H12S - ~7.5 × 7.5 mm high; H08 - ~12 × 12 mm high; H04 - ~38 × 38 mm high; H01/H02/OF - ~74 × 74 mm; G04 - ~15 × 15 mm high
  • mounted rack, maximum of 20 species/module (8mm tape conversion)
  • air flow rate, 0.5 MPa.

Reflow oven V8 Nitro 3.2 B:

  • heating zone length, 3200 mm
  • maximum permissible soldering temp., 300°C for preheating zones and 350°C for peak zones
  • cooling zone length, 1000 mm (two-stage, water-cooled)
  • conveyor system width (single), 50 - 400 mm
  • conveyor speed, 180 - 1800 mm/min.
  • width of a mesh belt conveyor, 400 mm
  • clearance above the mesh belt conveyor, 30 mm.

Target Audience and Possible Clients

The service is intended for

  • start-ups seeking optimization of electronic system manufacturing
  • SMEs seeking a low-volume electronic assembly manufacturing
  • academic institutions for process engineer training.

Service Delivery Mode

The service delivery modes are

  • electronic assembly for low-volume production and validation
  • consulting regarding material selection, possible challenges and technical limitations.

Packaging, Substrate and Interposer Manufacturing