Patent ID: 7615874
Filing Date: 2009-11-10
Classification: H01L,H05K,Y02P

Abstract:
1. An electronic component module comprising: a ceramic substrate having a front surface and a rear surface; and a plurality of bonding material applying lands arranged on the rear surface of the ceramic substrate; wherein the plurality of bonding material applying lands includes outer peripheral land rows, each of which is arranged in a line along each side of the rear surface with the exception of corner portions of the rear surface; the plurality of bonding material applying lands includes corner portion inner lands, each of which is arranged on the rear surface at a location that is shifted inwardly in a substantially diagonal direction from a respective one of the corner portions and is adjacent to the bonding material applying lands closest to the respective one of the corner portions at ends of the outer peripheral land rows that are arranged in lines along two sides that are connected by the respective one of the corner portions; the plurality of bonding material applying lands are arranged to be bonded to a motherboard via one of solder and a conductive adhesive; each of the plurality of bonding material applying lands in the outer peripheral land rows is substantially rectangular and includes two longer sides and two shorter sides; each of the corner portion inner lands is substantially square; the short sides of each of the plurality of bonding material applying lands in the outer peripheral land rows have substantially the same width as the sides of each of the corner portion lands; and each side of each of the corner portion lands is disposed along an extension line of a side of a bonding material applying land in the outer peripheral land rows that is disposed adjacent to the respective corner portion land.