Abstract: A preloaded pivot joint has a threaded ball seat that is screwed into an open end of the joint housing to adjust the axial load on the ball stud and consequent torque characteristics. The adjusted position of the ball seat is then maintained by swaging the joint housing inwardly to engage a hexagonal portion of the ball seat that is used to screw the ball seat into the housing.

Abstract: A II-VI semiconductor device is fabricated using a selective etchant in the form of aqueous solution of HX where X is Cl or Br. The II-VI semiconductor device is composed of a number of layers. Selective etching can be enabled by introducing Mg into one of the semiconductor layers. The resultant device may include a semiconductor layer containing Mg.

Abstract: A II-VI compound semiconductor laser diode includes a plurality of II-VI semiconductor layers forming a pn junction supported by a single crystal GaAs semiconductor substrate. The layers formed in the pn junction include a first cladding layer of a first conductivity type, a second cladding layer of a second conductivity type, and at least a first guiding layer between the first and second cladding layers. A quantum well active layer is positioned within the pn junction. Electrical energy is coupled to the laser diode by first and second electrodes. Various layers in the laser diode are formed using Be.

Abstract: A II-VI semiconductor device includes a stack of semiconductor layers. An ohmic contact is provided that electrically couples to the stack. The ohmic contact has an oxidation rate when exposed to an oxidizing substance. A passivation capping layer overlies the ohmic contact and has an oxidation rate that is less than the oxidation rate of the ohmic contact.

Abstract: A multiple file name referencing system stores multiple file names in a file. These multiple file names include an operating system formatted file name and an application formatted file name. When an operating system formatted file name is created or renamed, the multiple file name referencing system automatically generates an application formatted file name having a potentially different format from, but preserving the extension of, the operating system formatted name. The multiple file name referencing system similarly generates an operating system formatted name upon creation or renaming of an application formatted name. A B-tree is provided which contains an operating system entry for the operating system formatted name and an application entry for the application formatted name, each entry containing the address of the same file to which both names refer.

Abstract: A method is provided for use in a computer system, the method for performing callbacks to a first calling thread that has made an RPC to a second called thread comprising the steps of: creating at least one respective helper thread in the address space of the second called thread; and for each respective created helper thread, providing a respective thread-specific identifying mechanism for identifying the first calling thread.

Abstract: In a flame hydrolysis method for depositing glass soot used ultimately to make optical fiber, a reactant that forms the glassy soot stream is delivered to the torch (20) in liquid form and an ultrasonic nozzle (34) in the torch atomizes the reactant or breaks the reactant into a fine mist without the use of a gas.

Abstract: A mandrel (12) that is used for supporting a glass soot cylinder during consolidation into anoptical fiber preform is coated by chemical vapor deposition with a material selected from the group consisting of pyrolytic graphite and pyrolytic boron nitride.

Abstract: A fluorine-doped silica soot cylinder (11) is consolidated by containing it within an encapsulation structure (29) within a furance (21). The atmosphere within the encapsulation structure is kept substantially stagnant during the consolidating, and the volume enclosed by the encapsulation structure (29) is only slightly greater than the volume of the soot cylinder (11). A gap (52) between the volume enclosed by the encapsulating structure and the furnace is kept small enough to impede gas flow to a sufficient extent that the atmosphere within the encapsulating structure (29) is substantially stagnant during consolidation. During consolidation, fluorine concentration within the encapsulation structure (29) is uniformly distributed within the soot cylinder (11).

Abstract: A stroke-limiting stop for a fluid locking device wherein movement between a piston and cylinder is influenced by fluid in the device, the stop comprising a housing having internal shape and dimension enabling one end of the cylinder to move longitudinally within at least one formation on the inner surface of the housing, and a stop element within the housing and having a portion adapted to engage the formation establishing a fixed position on the stop element along the housing longitudinal axis, the stop element being supported within the housing for movement between positions wherein the portion of the element either engages the formation or is out of engagement therewith with so that the stop element in the first position acts as an abutment to contact the cylinder upon movement into the housing thereby limiting the extent of relative movement between the piston and cylinder.

Abstract: A fluorine-doped silica soot cylinder (11) is consolidated by containing it within an encapsulation structure (29) within a furnace (21). The atmosphere within the encapsulation structure is kept substantially stagnant during the consolidating, and the volume enclosed by the encapsulation structure (29) is only slightly greater than the volume of the soot cylinder (11). A gap (52) between the volume enclosed by the encapsulating structure and the furnace is kept small enough to impede gas flow to a sufficient extent that the atmosphere within the encapsulating structure (29) is substantially stagnant during consolidation. During consolidation, fluorine concentration within the encapsulation structure (29) is uniformly distributed within the soot cylinder (11).

Abstract: Method and apparatus are provided for overcladding a preform rod (22). The preform rod is aligned with and inserted into an overcladding tube (30). The outer diameter of the preform rod and the inner diameter of the tube are such that the clearance between the tube and the rod does not exceed a predetermined value. Successive increments of length of the tube and rod therein are subjected to a controlled zone of heat while the pressure inside the tube is maintained at a value which is substantially less than that outside the tube. This causes the tube to be collapsed onto the preform rod to provide an overclad preform and subsequently a drawn optical fiber in which the overcladding is substantially concentric with respect to the optical fiber core.

Abstract: A lightguide preform is fabricated by depositing a thin carbon layer (40) on a cylindrical glass mandrel (30) and further depositing a plurality of glassy soot layers (32) thereover. The resulting composite structure is heated, in a furnace, at a low temperature to remove the carbon layer (40) and then heated at an elevated temperature to consolidate the glassy soot layers on the glass mandrel to form the lightguide preform.

Abstract: A semiconductor chip carrier and contact array package having an apertured dielectric bottom layer (11), one or more chip connection layers such as wire bond layers (16, 17) insulated from one another, at least one chip-holding recess (24) in the wire bond layers and a heat conductive copper heat sink insert (26) extending across the aperture of the dielectric layer and forming a base adapted to be in heat-conductive contact with the bottom of an integrated circuit chip (27) to be attached thereon whereby heat flux generated by the chip is quickly and efficiently removed from the chip body. The wire bond layers (16, 17) contains metallization patterns (29) for bonding to the chip and a grid array of contacts or connection pins (20) connected to plated through-holes in the wire bond layer(s) for plugging the carrier to a circuit board or the like.

Abstract: Apparatus and method for prelubricating newly built, overhauled or rebuilt, and repaired engines including a relatively compact and lightweight pressurized vessel containing a predetermined volume of a light grade prelubricant which may, preferably, be of a specialized or proprietary formulation. The vessel is pressurized with carbon dioxide which serves as the propellant to force the lubricant through an adjustable metering valve on the vessel, an interconnecting hose and, in turn, into an engine oil port wherein the pressurized prelubricant is distributed through existing engine oil passageways, channels, and galleys.

Abstract: The modified chemical vapor deposition process is practiced using an rf source as the external heat source. An rf plasma is thus established within a glass tube through which appropriate glass precursor vapors are passed. As a result of the ensuing chemical reactions, particulate material is formed within the tube and deposits on it. The hot plasma zone may be used to consolidate this particulate material into a transparent glass, and onto the interior wall of the tube. The tube is subsequently drawn into an optical fiber.

Abstract: The invention is a novel drainage tube system, to be used following surgery, where drainage is necessary. It comprises a protective shield of spherical segmental configuration, having a recessed flat surface on one side and a spherical surface on the other side. In a modification, the flat surface is omitted and the spherical segment is open. An internal drainage tube penetrates the shield and terminates externally thereof on the spherical side in tube connector means comprising a bulbous portion spaced from the spherical side of the shield and a threaded portion intermediate the bulbous portion and spherical side. This enables fluid-tight connection with the internal tube for the external drainage tube sufficient even for the application of a pump, if necessary, but admitting of ready removal for inspection or patient transfer.

Abstract: The present disclosure is directed to an anchoring device for retaining a boat on a trailer or on top of an automobile either directly on the top or secured to a previously installed car top carrier. The device consists of a plurality of units each of which has a trailer or car top securing means and a boat securing means connected by a turnbuckle means therebetween to control the tension. The structure of the present disclosure permits the boat to be transported in either the upright or inverted position.

Abstract: The present disclosure is directed to an anchoring device for retaining a boat on top of an automobile either directly on the top or secured to a previously installed car top carrier. The device consists of a plurality of units each of which has a car top securing means and a boat securing means connected by a turnbuckle therebetween to control the tension. The structure of the present disclosure permits the boat to be transported in either the upright or inverted position.