The present invention provides an ink-jet printer having high resolution and image quality, low power consumption, low cost and containing line heads. The X-ray analysis apparatus of the present invention irradiates a sample with X-rays narrowed down by means of an X-ray guide member from above the sample in which said sample is directly irradiated with X-rays from said X-ray guide member and an optical image of said sample is obtained in the direction coaxial with said X-ray guide member. Run-time condition parameters of the battery are measured after the battery is in service as part of a continuous built in test system. The polymer-jacketed spiral metal tube can extend along a partial or full length of the catheter and can include a basic continuous spiral cut which has regions of constant pitch or which has progressively increasing pitch, or in the alternative, can include an interlocking spiral cut having constant pitch regions or progressively decreasing pitch. chokecherry tree named \u2018P002S\u2019 that is characterized by the complete absence of suckering; strong upright, uniformly broad and oval, single trunk tree form; vibrant and glossy leaves that emerge green and mature into dark reddish-purple foliage; and strong hybrid vigor. The core includes a center cantilever that is fabricated as a free beam that can oscillate at a resonant frequency that is determined by its mechanical and material properties.