October, 2019
www.us-
tech.com
Streamlining Coating and Improving Results Continued from previous page
first article. In individual part inspection
mode, the inspection system ana- lyzes critical areas for coverage, non- coverage and coating thickness. Areas around fillets can be inspected and selective bubble detection per- formed. When paired with optional side cameras, the sides of compo- nents can also be inspected. Both methods provide complete
inspection coverage with minimum low false-failure rates. Using advanced, high-power UV lighting and image processing technology enables access to coverage inspec- tion, color inspection, normalized correlation, and rule-based algo- rithms. Advanced multiple-camera imaging technology offers high-speed inspection with defect coverage. Software is the key to most
inspection systems. Nordson ASYM - TEK’s FX-940UV series includes NYTVision automated optical inspec- tion software that creates coating inspection recipes, defines coated and non-coated areas, and refines recipes. It can be programmed com- pletely offline, typically in less than 30 minutes.
Greater Process Control Incorporating Nordson ASYM -
TEK’s conformal coating with its inspection system affords many advantages. Programming and oper- ation methods can be combined to create an efficient coating line that maintains repeatability across batch- es. The systems are SMEMA-com- patible, saving floorspace, especially for configurations that combine batch and inline systems. Every coating process has critical
parameters that must remain within defined limits. Enhanced methods, such as statistical process control (SPC), can be employed by manufac- turers to meet those requirements. A variety of details are logged during inspection to ensure traceability, such as machine name, login username, inspection recipe, work order number, board serial number, inspection date and time, yield, parts failed per board, and more, and the user can define and add custom fields. Information can be exchanged
with customer-specific factory infor- mation systems (FIS) and manufac- turing execution systems (MES) to ensure factory production workflow. These systems can be fully integrat- ed with the inspection system to cap- ture up-to-the-minute process data, giving an overall view of the inspect- ed board and allowing the user to zoom in on specific areas of interest, such as keep-out zones and critical components.
Continual Improvement Manufacturing relies on process
improvement and quality control. The electronic components that power these next-generation prod- ucts require high-quality conformal coating protection to ensure safe, reliable performance in a variety of physical environments. To keep pace with these require -
ments and maintain yield and throughput goals, today’s coating applications must embrace process controls that provide traceability and consistent, day-to-day and batch-to- batch coating performance. Conformal coating inspection, especially when it is combined with a
CondensoXM smart
conformal coating system, offers greater control over the coating process. The result is improved
throughput, increased yield, main- tained reliability, and access to data logs that provide process insights
Page 65
within and across lots. Data analysis provides solid
insight to help sustain continuous improvement, enabling manufactur- ers to take specific, focused actions exactly where they are needed. With process changes backed by data, accu- rate decisions can be made to rapidly improve the conformal coating process — avoiding waste, rework, and scrap. Contact: Nordson ASYMTEK,
2747 Loker Avenue West, Carlsbad, CA 92010 % 760-431-1919 E-mail:
roberta.foster-smith@nord-
sonasymtek.com Web:
www.nordson.com r
Areas around fillets can be inspected and selective bubble detection can be performed.
See at productronica, Hall A2 Booth 345
Strong performance with large components.
Best performance in every production environment with the CondensoX series!
CondensoX is perfect for handling large or high-mass boards in a stable process atmosphere. In order to improve control of the vaporphase, Rehm has developed a patented injection principle that allows the sol- dering procedure to be individually regulated. Our CondensoX series can temperatures of up to 260 °C.
productronica
November 12 – 15, 2019 Hall A4, Booth 335 Munich
www.rehm-group.com See at productronica, Hall A4 Booth 335 and SMTA Guadalajara, Booth 224
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