ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/sonoscan/support/application-notes/0800-seal-voids
Transmission - Application Note 800 Sample & Method This blister pack was imaged using the THRU-Scan. Result The blue areas are locations of signal loss, representing voids which block transmission of the ultrasound through the sample
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/sonoscan/support/application-notes/0801-seal-voids
) are locations of signal loss, representing voids which block transmission of the ultrasound through the sample. As these voids become larger, they connect and threaten the integrity of the package by providing a leak path
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/sonoscan/support/application-notes/0810-seal-voids
Transmission - Application Note 810 Sample & Method The polymer pouch was images using the THRU-Scan. Result The black areas within the gray seal band are locations of signal loss, representing voids which block transmission of the ultrasound through the sample
Imagineering, Inc. | https://www.pcbnet.com/capabilities/fabrication/hdi/
) for a higher wiring density per unit area. They’re ideal for using smaller, future-driven components on a wide scale. They offer faster signal transmission and a significant reduction in signal loss and crossing delays
Imagineering, Inc. | https://www.pcbnet.com/blog/what-is-a-hdi-pcb/
. These boards have less signal loss and crossing delays. Higher Heat Resistance – HDI PCBs are sometimes used in high-temperature applications that require them to function in extreme conditions
Imagineering, Inc. | https://www.pcbnet.com/blog/making-the-most-of-smaller-components-with-hdi-pcbs/
. In turn, this setup increases the speed of signal transmission while greatly reducing the potential for crossing delays and loss of signal
Imagineering, Inc. | https://www.pcbnet.com/blog/hdi-microvias-and-printed-circuit-boards/
. With less distance to travel, electrical signals lead to increased performance and functionality by producing additional input and output, resulting a sharp decline in signal loss and crossing delays
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/sonoscan/support/ami-overview
. Since air space defects such as voids, delaminations, cracks and porosity cannot transmit the ultrasound, the loss of transmitted signal indicates the presence of these types of defects
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/sonoscan/support/ami-glossary
. ATTENUATION The loss in acoustic energy that occurs between any two points of travel. BACK SURFACE REFLECTION The signal received from the far boundary or back surface of a test object
| https://www.eptac.com/etrainings/printed-circuit-engineering-designer-online-program/
capture, signal constraints, component placement, routing, flex, HDI, documentation, signal integrity application, and post processing
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