Abstract:
An isotopically-enriched, boron-containing compound comprising two or more boron atoms and at least one fluorine atom, wherein at least one of the boron atoms contains a desired isotope of boron in a concentration or ratio greater than a natural abundance concentration or ratio thereof. The compound may have a chemical formula of B 2 F 4 . Synthesis methods for such compounds, and ion implantation methods using such compounds, are described, as well as storage and dispensing vessels in which the isotopically-enriched, boron-containing compound is advantageously contained for subsequent dispensing use.
Abstract translation:包含两个或多个硼原子和至少一个氟原子的同位素富集的含硼化合物,其中至少一个硼原子含有所需的硼同位素,其浓度或比例大于天然丰度浓度或比例 。 化合物可以具有B 2 F 4的化学式。 对这些化合物的合成方法和使用这种化合物的离子注入方法进行了描述,以及存储和分配容器,其中有利地含有同位素富集的含硼化合物用于随后的分配用途。
Abstract:
A TEM grid provides posts having steps, the steps increasing the number of samples that can be attached to the grid. In some embodiments, each post includes a one sided stair step configuration. A method of extracting multiple samples includes extracting samples and attaching the samples to the different stair steps on the posts.
Abstract:
To reduce artifacts in a surface exposed by a focused ion beam for viewing, a trench is milled next to the region of interest, and the trench is filled to create a bulkhead. The ion beam is directed through the bulkhead to expose a portion of the region of interest for viewing. The trench is filled, for example, by charged particle beam-induced deposition. The trench is typically milled and filled from the top down, and then the ion beam is angled with respect to the sample surface to expose the region of interest.
Abstract:
A focused ion beam system is offered which can make a focal adjustment without relying on the structure of a sample while suppressing damage to the sample to a minimum. Also, a method of making this focal adjustment is offered. The focused ion beam system has an ion source (10) for producing an ion beam (B), a lens system for focusing the beam onto the sample (S), a detector (26) for detecting secondary electrons emanating from the sample, and a controller (42) for controlling the lens system. The controller (42) is operative to provide control such that the sample (S) is irradiated with the ion beam (B) without scanning the beam and that a focus of the ion beam (B) is varied by varying the intensity of the objective lens (20) during the ion beam irradiation. Also, the controller (42) measures the intensity of a signal indicating secondary electrons emanating from the sample (S) while the intensity of the objective lens (20) is being varied. Furthermore, the controller (42) makes a focal adjustment of the ion beam (B) on the basis of the intensity of the objective lens (20) obtained when the measured intensity of the signal indicating secondary electrons is minimal.
Abstract:
An inductively coupled plasma source (201) having multiple gases in the plasma chamber provides multiple ion species to a focusing column. A mass filter (202) allows for selection of a specific ion species and rapid changing from one species to another.
Abstract:
A method for rapid switching between operating modes with differing beam currents in a charged particle system is disclosed. Many FIB milling applications require precise positioning of a milled pattern within a region of interest (Rol). This may be accomplished by using fiducial marks near the Rol, wherein the FIB is periodically deflected to image these marks during FIB milling. Any drift of the beam relative to the Rol can then be measured and compensated for, enabling more precise positioning of the FIB milling beam. It is often advantageous to use a lower current FIB for imaging since this may enable higher spatial resolution in the image of the marks. For faster FIB milling, a larger beam current is desired. Thus, for optimization of the FIB milling process, a method for rapidly switching between high and low current operating modes is realized.
Abstract:
This invention relates an ion beam source (10) for use with a non-electrical conducting target (14) including a grid (13) for extracting ions and a power supply for supplying pulsed power to the grid (13) to extract the ions.
Abstract:
The invention relates to an ionic emission device that comprises an emission member including a hollow insulation needle (10), said hollow needle having an electrically insulating tip (16) protruding at the apex (13) thereof. The needle (10) also includes a chamber (11) having an outlet opening (14) that opens in the vicinity of the tip (16). The invention also relates to a focused ionic emission method that uses the above emission device and an extraction electrode, wherein said device comprises applying an extraction voltage to said extraction electrode. Moreover, as the device includes an adjustment electrode, the method also comprises the application of an adjustment voltage to said electrode.