A field emission light source includes: a cathode ; a nucleation layer formed on the cathode; a field emission portion formed on the nucleation layer; and a light-permeable anode arranged over the cathode. The test device is used in conjunction with test analysis equipment allowing a technician to induce independent multiple faults system test configurations to detect, isolate and locate feed line and antenna system problems. A palladium compound is then added to the reductively calcined ironzeolite, and the resulting Pd\u2014Fezeolite is then calcined at 400 to 600\xb0 C. The interior is preferably lined with removable padding, such as gel packs, visco-elastic material in order to apply light pressure to the hand and stabilize the position of surgical device on the hand. The first slider is supported on the base by static pressure air bearing pads disposed at two positions on the lower surface of the T-shaped section, at at least one position on the lower surface of the beam at the central portion thereof and at the two positions on the lower surface of the arm member.