What is the HAL production process?

Are there any differences in temperature characteristic coefficients depending on materials with Neodymium magnets? Also, how much do they fluctuate?

What is the Gigaspira structure of multilayer inductors? Please explain its features.

Please explain the types of core materials for inductors for power circuits (Power Inductors) and the characteristic differences among them.

How can I check each product for compliance with AEC-Q200 (an automotive electronics standard)?