System and method for treating a skin target. A temperature effector creates a temperature difference between the target and the skin tissue surrounding the target such that the target is at a higher temperature than the surrounding tissue by at least 5° C. One or more RF electrodes are attached to...http://www.google.com.tw/patents/US7238183?utm_source=gb-gplus-share專利 US7238183 - System and method for treating skin