The invention relates to an upholstery spring device, especially for upholstery cushions, mattresses, or similar, comprising a plurality of upholstery spring elements. In many situations in use of a handheld computer, for example, it is desirable to obtain quick and easy access to addressable resources from among a list of such resources. The ASIC package has an aperture in it that exposes a chip to chip bonding interface of the ASIC chip. The second portion is configured for penetrating tissue.