A magnetoresistive sensor having magnetically anisotropic bias layers for biasing the free layer of the sensor. Conventional anisotropic conductive materials using conductive particles are used in the form that they are interposed between opposed boards or between opposed electrode terminals of electronic devices such as mobile telephones. The first and second light guide cables have distal ends positioned in a separator assembly and are optically aligned but separated by a gap. The image processor combines the distance information and 2-D digital image information to produce 3-D digital image information representing the object.