Glossary-4
Service Stations
: Purge and Weigh Stations on a dispensing system.
SMEMA
: Surface Mount Equipment Manufacturers Association.
Statistical Process Control (SPC)
: Machine performance data gathered and stored in text files. You can review SPC files to
monitor system performance.
Substrate Height
: The maximum distance the dispense head may safely descend before dispensing. Stored as a Z-axis value by
the dispensing system software.
Substrate
: Any surface, part or element, usually a PCB, on which fluid is dispensed.
Surface Mount Adhesive (SMA)
: An adhesive used for attaching chips to PCBs.
Syringe
: Container holding dispensing fluid (under air pressure) installed onto the dispensing valve or pump.
Teach
: Entering and saving XYZ locations.
Temperature Controller, 4- and 8-Channel
: Controls safety thermocouples, temperature sensors and safety interlocks for all
heating systems used by the dispensing system.
Thermocouple
: Connection between the heating element and controller that supplies power to the heating elements.
Underfill
: The process of flowing epoxy underneath a flip chip on a PCB to completely seal the solder bumps.
Valve
: A device used to control or regulate the flow of material from a pressurized reservoir, such as a syringe. Valves can be
actuated by several methods, such as air pressure, augers, or solenoids.
Valve Offsets
:
See
Machine Offsets.
Video Card
: Peripheral card that runs the Vision System along with the Vision Processor card.
Video Overlay
: The video image from the camera placed inside a Windows area.
Viscosity
: The ability of a fluid to resist deformation under stress. High-viscosity fluids have a high resistance; low-viscosity
fluids have a low resistance.
Vision Processor Card
: Used in the computer along with the Video Card to run the Vision System.
Vision System
: Includes the camera, vision software, video card, vision processor card, and the light source.
Weigh Station
: A location on the Century C-721 dispensing system where fluid is dispensed into a cup and weighed for volume.
Workpiece
:
See
Part.
X-Axis
: Left to right movement of the dispense head in the dispensing area.
Y-Axis
: Forward and backward movement of the dispense head in the dispensing area.
Z-Axis
: Up and down movement of the dispense head in the dispensing area.
Содержание Century C-721 Series
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