Polar March news update: Speedstack – supports IPC-2581 rev C / Application note on UHDI impedance correlation

IPC-2581 Rev C supported in Speedstack:

Speedstack 26_03 is now shipping with support for IPC-2581 rev C import /  export and multiple structure per layer capability. If connecting via a 3rd party – please contact for their compatibility timeline. This presentation details:

Speedstack cumulative updates and 2581 support

Impedance correlation at UHDI dimensions:

This new note explains the correlation process and analysis of a set of coupons made at the lower limits of subtractive technology. It details
the steps needed to be taken to achieve good correlation between measurement and modeling:

Application note AP8259 impedance correlation at UHDI dimensions

Apex 2026

If you are attending Apex Expo this week please do Visit Polar at booth 4200

If you would like more information regarding Speedstack 26_03 please email polarcare