IPC-7351B Naming Convention for Standard SMT Land Patterns
IPC-7351BNamingConventionforStandardSMTLandPatternsIPC-7351ZeroOrientationwithPin1UpperLeftNamingConventionsTheX(capitalletterX)isusedinsteadoftheword“by”toseparatetwonumberssuchasheightXwidthM-Densit