MODEL 7074 Array Termination
Model 7074 features the advantages of the 753 and 752B in one machine.
- Improved bandwidth accuracy and registration
- Incorporation of the diamond belt for no-touch termination and includes the 75X slotted belts with mechanical positioning hardware
- Offers robust solution for smaller case sizes: such as 0504 and 0603 arrays
- ESI 752B and 753 upgrades boost systems yield and enhanced termination quality for all chip sizes
- Diamond belt avoids stripe damage by eliminating contact with paste stripes at ejection stage
- Compatible tooling with existing ESI 75X system family
- Diamond Belt life increased com-pared to existing dog-bone & standard belt designs
- Incorporates a new eject assembly that is synchronized to the belt index speed avoiding misalignment and chip damage when the part is ejected
- New camera mount, provides unlimited position view of termination and wrap around
- Large removable drip trays
- Paste Wheel handling station
Diamond Belt
- Holds the chip on the edges in a diamond shaped hole, rather than on the sides
- Eliminates the need for mechanical positioning wheels
- Reduces any tendency to smear or damage termination pads
- 4X improvement in termination stripe placement accuracy (+/- 0.0005" for the diamond belt vs. +/- 0.002" for a slotted belt)
- Any slotted belt can be replaced with a diamond belt superior performance, similar cost and useful life
- Chips are loaded into precise self-centering belt openings resulting in higher stripe placement accuracy side or end-load
- Reduces cost, replaceable wear ring instead of the complete chip retainer
- Increases life, new air curtain option reduces friction of chips on wear ring
- Chips loaded in the wrong orientation are blown away for reloading, can improve loading efficiency
Maximum Throughput:
Up to 75,000 part per hour
Drying Oven:
Temperature Max 175o C
Drying time≈2 minutes per side at 50,000 pph throughput
Paste Temperature Control:
15 C to 35 C± 1o C
Tooling:
Soft Grip Diamond Belt
Load Plate
Two Paste Wheels
Pulleys
Physical Dimensions:
Height: 78.5" (190 cm)
Width: 83" (211 cm)
Depth: 33" (84 cm)
Floor Space: 19 ft. 2 (1.8m2)
Facilities Requirement:
Power: 220 V. 3 phase, 50 - 60Hz,
11 kW (other options available
Air: 70 psi, 0.5 cfn clean, dry air
* China patent #ZL97193536.X
* Korea patent #308517
* Japan patent #3167338
* US patent #5863332, 5226382