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Method and apparatus for quality control of explosive primers by characteristic x-ray emission

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专利汇可以提供Method and apparatus for quality control of explosive primers by characteristic x-ray emission专利检索,专利查询,专利分析的服务。并且A method and apparatus for indirectly measuring the weight or composition of an explosive primer by utilizing the characteristic X-ray emissions from a radiation excitable constituent of the primer. The explosive primer is exposed to an external source of ionizing radiation which induces characteristic X-ray emissions of the selected primer constituent. The quantity of the emitted characteristic X-rays is determined by an ionizing radiation energy-resolving detection system. Since the quantity of the emitted characteristic X-rays is a function of the amount of the excitable constituent present in the primer, determination of the quantity of the X-rays emitted provides an indirect measurement of the weight of the primer.,下面是Method and apparatus for quality control of explosive primers by characteristic x-ray emission专利的具体信息内容。

1. A method for ascertaining the amount of a particular constituent in an explosive primer comprising the steps of: a. inducing a cHaracteristic X-ray emission from said primer constituent; and, b. determining the quantity of the characteristic X-rays emitted by said constituent, said quantity being a function of the amount of the constituent present in the primer.
2. The method of claim 1 wherein said characteristic X-rays are induced by exposing the primer to ionizing radiation from an external source of radiation, said radiation having an energy above the energy of the X-ray absorption edge of said primer constituent.
3. The method of claim 2 wherein said radiation energy is above the K-edge of said constituent.
4. The method of claim 2 wherein said radiation energy is above the L-edge of said constituent.
5. The method of claim 2 wherein said external radiation comprises electrons.
6. The method of claim 2 wherein said external radiation comprises X-rays.
7. The method of claim 2 wherein said external radiation comprises gamma rays.
8. The method of claim 1 wherein the quantity of the characteristic X-rays is determined by: a. exposing a detector of ionizing radiation to the characteristic X-rays emitted by said primer constituent; b. resolving the energy distribution in the radiation spectrum detected by said detector; and, c. producing an electrical signal representative of the quantity of radiation within the resolved energy range of the characteristic X-ray emission of the primer constituent.
9. An apparatus for indirectly determining the weight and composition of an explosive primer having a radiation excitable constituent, said apparatus comprising: means for inducing a characteristic X-ray emission from said radiation excitable primer constituent; means responsive to said characteristic X-rays for producing an electrical signal representative of the quantity of the characteristic X-rays emitted by said primer constituent, said quantity being a function of the amount of the constituent present in the primer and an indirect measure of the weight and composition of said primer.
10. A quality control apparatus for accepting or rejecting, on the basis of weight, an explosive primer having a radiation excitable constituent, said apparatus comprising: a. means for inducing a characteristic X-ray emission from said radiation excitable primer constituent; b. means responsive to said characteristic X-rays for producing an electrical signal representative of the quantity of the characteristic X-rays emitted by said primer constituent, said quantity being a function of the amount of the constituent present in the primer and, thereby an indirect measure of the weight of said primer; c. means responsive to said electrical signal for producing a reject control signal whenever the electric signal represents a quantity of the characteristic X-rays that is outside of a predetermined quantity range which defines the amounts of the constituent that correspond to the acceptable range of primer weights; and, d. means responsive to said reject control signal for rejecting the under and overweight primers.
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