The disclosure includes a description of a method of data mining protein data. The substrate structure includes a core substrate, an interconnection portion and a solder mask. Manufacturing a master by depositing photoresist over a glass master, forming a first land region and a second land region having different depths by laser cutting with laser beams having different power levels. The spring clip assembly includes a housing, a spring disposed within the housing, and a bushing attached to the spring for sliding engagement with the visor arm.