# Aspect ratio size

**URL:** <https://sierraconnect.protoexpress.com/t/aspect-ratio-size/180>\
**Category:** Manufacturing process\
**Tags:** aspect-ratio, reliability\
**Created:** [October 2, 2023, 7:05pm UTC](https://sierraconnect.protoexpress.com/t/aspect-ratio-size/180 "2023-10-02T19:05:21Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![lucy.sierracircuits](https://sea2.discourse-cdn.com/sierraconnect/user_avatar/sierraconnect.protoexpress.com/lucy.sierracircuits/32/8_2.png) [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Post date:** [October 2, 2023, 7:05pm UTC](https://sierraconnect.protoexpress.com/t/aspect-ratio-size/180/1 "2023-10-02T19:05:21Z")

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**TIP:** The larger the aspect ratio, the more challenging it becomes to achieve a reliable copper plating inside the vias. Hence, smaller the aspect ratio, higher the PCB reliability.