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Molding is a process where micro chips are encapsulated in plastic. In line with the market trend toward SIP, exposed dies and more complex packages like dual side molding, Besi developed the large substrate molding machine Fico AMS-LM. The Fico AMS-LM can handle substrates of up to 102 x 280mm and can handle all current single and dual sided packages.

Large substrates allow a high board utilisation and in combination with deep vacuum, the unique clamp mechanism and the high output of the Fico AMS-LM, performance and yield increase significantly.

Conventional Fico AMS-LM
Standard substrates Individually compensating clamp cylinders
Moving blocks Modular mold design
Complex handling 35% less moving parts
Large and heavy mold Short conversion time
Long conversion time Low cost PR-set
Expensive PR-set Advanced process setup

Key Features

Cassette Handler

  • High capacity
  • Freely accessible
  • Slot to slot copy
  • Two or four deck version
  • Bar code, 2D code and RFID reader (optional)


  • Leadframe orientation check
  • Mark inspection, bar code and 2D code check
  • Optical Character Verification (OCV)

Leadframe Handler

  • Automatic orientation correction
  • Leadframe pre-heating
  • Anti warpage leadframe cooling
  • Air cushion transport
  • Thin board handling

Molding Press

  • High standard clamp force of 600kN (750kN optionally available)
  • Recipe controlled deep vacuum level (vacuum as low as 1 torr)
  • Recipe controlled venting mechanism
  • Large, thick and thin, substrate molding
  • Individually controlled clamp cylinders (optimal substrate thickness compensation)
  • Dynamic Clamping Control (Selective molding & Flip Chip Exposed Die)
  • Even mold cap planarity
  • Topedge molding (no bleed with low viscosity compounds)

Pellet Supply

  • Remote pellet feed (up to 40m)
  • Pellet length check
  • Pellet cooling
  • Pellet age control


Machine Dimensions

Width 3,145 mm
Depth 1,652 mm
Height 2,197 mm
Weight Approx. 3,600 kg


Leadframe Dimensions

Width 72 -102 mm
Length 100 - 280 mm
Thickness 0.1 - 1.5 mm
Height Max. 2 mm


Cassette Dimensions

Width 80 - 120 mm
Length 180 - 300 mm
Height 100 - 165 mm
Storage capacity 800 mm


Supply Requirements

Voltage 208-230-380-400-440-460-480VAC - 3~
Frequency 50 / 60 Hz
Power rating 9 kVA
Compressed air 5 - 10 bar
Average air consumption 6 m3/h at 6 bar
Factory exhaust 1000 m3/h at 50 Hz


Equipment Performance

Uptime ≥ 98%
MTBF ≥ 200 h for every MTTR of 1 h
MTBA ≥ 3 h
MTTR ≤ 1 h
MTTA ≤ 3 min


Press and Mold Properties

Max. clamp force 750 kN
Max. mold opening 90 mm
Max. transfer pressure 18 MPa
Pellet diameter 11, 14 or 14.3 mm
Max. number of plungers 10
Max. cavity temperature difference ± 2 ºC


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