Patent ID: 6933496
Filing Date: 2005-08-23
Classification: G01N

Abstract:
1. An ion mobility sensor for simultaneously detecting both ion and molecules, including: a hollow housing; a glow discharge ionizer mounted to one end of said hollow housing, wherein said glow discharge ionizer includes a hollow tube and a pointed member coaxially mounted in said hollow tube; a glow discharge detector mounted to an opposite end of said hollow housing, wherein said glow discharge detector includes a hollow tube and a pointed member coaxially mounted in said hollow tube; said hollow tube of each of said glow discharge ionizer and said glow discharge detector is mounted in opposite ends of said hollow housing, and said glow discharge ionizer and said glow discharge detector are coaxially mounted in said housing and are coaxially aligned one with another; and a pair of conductive members mounted around said hollow tubes of said ionizer and said detector, in contact with opposite ends of said hollow housing, and operatively connected to a power supply.