ACW - Test

ACW Technology Ltd



ACW invests heavily in facilities to fully test customers' products to ensure consistent high quality.

Computer Aided Design/Computer Aided Manufacture (CAD/CAM)
ACW's engineers use "Fabmaster" for rapid test and manufacturing documentation development giving minimal design to delivery cycle times. Customers also benefit from testability analysis and rectification opportunity prior to capital expenditure. Computer assisted board diagnostics give us rapid, accurate identification of test faults; this increases our ability to deliver on time at lowest cost.

In Circuit Automatic Test Equipment (ATE) - Bed of Nails
Our fully trained programming and operating staff deploy Teradyne 1890VP machines with a capacity of 2048 analogue/digital nodes. These machines allow fast programming and high speed operation as well as low overhead Engineering Change Orders (ECOs). Capable of dealing with CAD converted data, the machines provide state of the art vector and vectorless testing. Teradyne's MultiScan tool set enables testing of connectors and other components. The machines can test complex custom integrated circuits, with or without test vectors being available.

In Circuit ATE - Flying Probe
Flying probe ATE is Takaya APT9411/01/00CE from Itochu. Our high speed probers enable rapid programming and fast in circuit test of low volume products, including prototypes, without the high cost of dedicated fixtures. These machines are fitted with Automatic Optical Inspection (AOI) on the prober heads.

Functional Test - Digital
ACW uses fast digital functional ATE from Marconi (now IFR), supplemented with CIMTEK (was Wayne Kerr) and others. ACW has fully automatic BABT characteristics test capability.

Boundary Scan - JTAG
ACW makes extensive use of the JTAG software and hardware platform to provide fast cost-effective test of suitably designed circuits

Automatic Optical Inspection - AOI
ACW has DiagnoSYS ScanPoint 50s in the most critical lines to augment human inspection for presence and alignment prior to reflow and off line processes. DiagnoSYS VisionPoint, DCB SuperVision III and YesTech AOI complement in circuit test and are used for printed circuit boards and component placements that cannot be physically tested. In addition the Takaya Flying Probers give excellent complementary coverage on low volume boards.

X-Ray Inspection
ACW uses the X-Tek CPXS Real Time, microfocus X-ray 3 Dimensional imaging machine for detection, verification and failure analysis of solder joints, in particular for use on Ball Grid Arrays (BGAs) & Chip Scale Packages (CSPs). This advanced X-ray inspection technique provides more effective quality control, improved failure analysis and enhanced process control to give increased quality and first time test yields as well as a reduction in the cost of rework. Copies of X-ray photographs can be supplied to customers to fulfill their requirements for quality recording.

Environmental Stress Screening - ESS
Products may be stressed in a variety of ways including computer controlled cycling in a highly accelerated stress screening (HASS) chamber with temperature changes of up to 50°C per minute.

Bespoke
ACW has a first class technical team who generate complex hardware and software test solutions. Mostly PC-based & programmed using "C", LabView, ProComm or PERL Script, our test rigs are able to conduct tests which often exceed the expectations of our customers. We have access to comprehensive in-house CNC facilities for production of custom test fixtures. We have produced sophisticated stand alone automated functional and soak test systems which provide very high levels of confidence in field reliability.

 

ATE summary X - Ray Summary
· 6 x Teradyne 1890VP with MultiScan · X-Tek Hawk 160
· 5 x Takaya APT9400/01/11CE    
· CIMTEK Exordia 5950
(compatible with Wayne Kerr 3900 Series)
Boundary Scan
· Marconi 520 with DTS · JTAG Development & Run Time Software & Hardware
· 3 x Mindready (Yelo) BABT testers    
    Environmental Stress Screening
  AOI summary · -70ºC to 150ºC ramp rate 50ºC / minute
· 4 x DiagnoSYS ScanPoint 50 (in line)    
· 1 x DiagnoSYS VisionPoint Other test equipment from
· 5 x Takaya APT9400/01/11CE · Hewlett Packard
·

2 x YesTech

· Tektronix
· DCB SuperVision III · Electron Processing
    · Racal
    · Neutrik
    · Trend
    · and others