Patent ID: 8154880

Claim:
An apparatus comprising: a first unit having a back side and a connection side, said back side fixedly attached to a substrate, said substrate having connection points; a spacer having a first side and a second side, said first side fixedly attached to said first unit connection side; a second unit having a back side and a connection side, said back side fixedly attached to said spacer second side; a first wire having a proximate end and a distal end, wherein said first wire proximate end is attached to one of said substrate connection points and said first wire distal end is attached to said first unit connection side; a second wire having a proximate end and a distal end, wherein said second wire proximate end is attached to said first unit connection side and said second wire distal end is attached to said second unit connection side; and a third wire having a proximate end and a distal end, wherein said third wire proximate end is attached to said second unit connection side and said third wire distal end is attached to said one of said substrate connection points.