Author: claimsbot

1. A shaping method of a thin film layer, said thin film layer including a first thin film and a second thin film in side-by-side relationship with said first thin film, the method comprising the steps of:
calculating a preliminary etching amount, based on a required etching amount for shaping said first thin film into a given shape, an etching rate of said first thin film, and an etching rate of said second thin film, said preliminary etching amount compensating for a difference between said etching rates to equalize an etching amount of said second thin film to said required etching amount;
depositing said second thin film to cover said first thin film;
planarizing the surface of said second thin film and the surface of said first thin film until said first thin film is exposed;
etching, after the planarizing step, only said second thin film by said preliminary etching amount; and
etching, by using ion milling, said thin film layer by said required etching amount to provide a continuous flat surface consisting of the surfaces of said first thin film and said second thin film.
2. The thin film layer shaping method of claim 1, wherein said required etching amount and said preliminary etching amount are determined by an etching depth.
3. The thin film layer shaping method of claim 1, further comprising:
a step of performing a planarizing process on said first thin film after etching said thin film layer by said required etching amount.
4. A manufacturing method of a perpendicular recording magnetic head, said perpendicular recording magnetic head including a main magnetic pole film and a non-magnetic film in side-by-side relationship with said main magnetic pole film, the method comprising the steps of:
forming a magnetic pole layer including a main magnetic pole film and a non-magnetic film in side-by-side relationship with said main magnetic pole film;
calculating a preliminary etching amount, based on a required etching amount for shaping said main magnetic pole film into a given shape, an etching rate of said main magnetic pole film, and an etching rate of said non-magnetic film, said preliminary etching amount compensating for a difference between said etching rates to equalize an etching amount of said non-magnetic film to said required etching amount;
depositing said non-magnetic film to cover said main magnetic pole film;
planarizing the surface of said non-magnetic film and the surface of said main magnetic pole film until said main magnetic pole film is exposed;
etching, after the planarizing step, only said non-magnetic film by said preliminary etching amount; and
etching, by using ion milling, said magnetic pole layer by said required etching amount to provide a continuous flat surface consisting of the surfaces of said main magnetic pole film and said non-magnetic film.
5. The perpendicular recording magnetic head manufacturing method of claim 4, wherein said non-magnetic film is made of alumina.
6. The perpendicular recording magnetic head manufacturing method of claim 4, wherein said required etching amount and said preliminary etching amount are determined by an etching depth.
7. The perpendicular recording magnetic head manufacturing method of claim 4, wherein ion milling is used for etching said magnetic pole layer by said required etching amount.
8. The perpendicular recording magnetic head manufacturing method of claim 4, wherein reactive ion etching is used for etching only said non-magnetic film by said preliminary etching amount.
9. The perpendicular recording magnetic head manufacturing method of claim 4, wherein an alkali etchant is used for etching only said non-magnetic film by said preliminary etching amount.
10. The perpendicular recording magnetic head manufacturing method of claim 4, further comprising:
step of performing a planarizing process on said main magnetic pole film after etching said magnetic pole layer by said required etching amount.
11. The perpendicular recording magnetic head manufacturing method of claim 4, wherein CMP is used for said planarizing process.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. The current coil, preferably for a needle motion sensor for fuel injection valves, with a cylindrical coil body (1), which has a metallic coil core (3) inserted into its one end, which is coaxially encompassed by a coil winding (7) mounted on the coil body (1), wherein the ends (9) of the coil winding wire are each connected with a connecting contact wire (13) which, on the other end, can be connected to an electric connecting line, characterized in that the connecting contact wires (13) are each pressed into a formed groove (15) provided on the coil body (1).
2. The current coil according to claim 1, characterized in that a tension relief loop (17) is provided on the connecting contact wires (13), which is completely disposed inside the coil body (1) and permits a length compensation on the connecting contact wire (13).
3. The current coil according to claim 1, characterized in that the coil winding wire has a tension relief loop on its fastening ends (9) to the connecting contact wire (13).
4. The current coil according to claim 1, characterized in that the ends (9) of the coil winding wire are guided in an obliquely extending guide groove (11) of the coil body (1).
5. The current coil according to claim 1, characterized in that at least in the vicinity of the connecting contact wires (13) and the coil winding wire, the coil body (1) is completely enclosed on its radial circumference surface by a plastic material, preferably a hot glue.
6. A process for producing a current coil according to claim 1, characterized by means of the following process steps:
the connecting contact wires (13) , which are embodied as formed wires, are pressed into corresponding formed grooves (15) on the coil body (1), with the provision of a relief loop (17) and with radially protruding wire ends (23), the coil wire (7) is wound onto the coil body (1), the ends (9) of the coil winding wire are each fastened to a protruding end (23) of the connecting contact wires (13),
the wire contact points between coil winding wire ends (9) and connecting contact wire ends (23) are soldered, preferably in a solder bath,
the protruding wire ends (23) of the connecting contact wires (13) are bent in the direction of the coil body (1),
the wire-guiding regions of the current coil are completely extrusion coated with a plastic material.

1. An oscillator coupling system, comprising:
a plurality of oscillating members;
at least a first delay member connecting at least two of the oscillating members; and
at least a second delay member for connection with the two oscillating members and introducing a phase or time delay parameter at least several times larger than that of the first delay member so as to be coupled to the two oscillating members having correlated phase or frequency noise suppression and reduce noise autocorrelation of the oscillator coupling system, thereby reducing noise by at least several dB to several dozens dB during system operation, wherein the second delay member is connected in series to a resistor so as to adjust a quality factor of the second delay member and strength of signals injected.
2. The oscillator coupling system of claim 1, wherein the first delay member is one of a signal line and an amplifier.
3. The oscillator coupling system of claim 2, wherein the signal line is one selected from the group consisting of a cable, a flat cable, a conductive line, and an electric transmission line.
4. The oscillator coupling system of claim 2, wherein the amplifier comprises at least one of a unidirectional amplifier and a bidirectional amplifier.
5. The oscillator coupling system of claim 1, wherein the second delay member is one of a phase delay member and a time delay member.
6. The oscillator coupling system of claim 5, wherein the phase delay member comprises one selected from the group consisting of an adjustable RLC circuit element, a delay signal line, a delay IC, and an amplifier.
7. The oscillator coupling system of claim 5, wherein the time delay member comprises one selected from the group consisting of a signal line, an adjustable RLC circuit element, a delay signal line, a delay IC, and an amplifier.
8. The oscillator coupling system of claim 7, wherein the signal line comprises one selected from the group consisting of a cable, a flat cable, a conductive line, and an electric transmission line.
9. The oscillator coupling system of claim 6, wherein the amplifier comprises at least one of a unidirectional amplifier and a bidirectional amplifier.
10. The oscillator coupling system of claim 7, wherein the amplifier comprises at least one of a unidirectional amplifier and a bidirectional amplifier.
11. The oscillator coupling system of claim 1, wherein the second delay member comprises a capacitor for adjusting the phase or time delay parameter of the second delay member.
12. The oscillator coupling system of claim 11, wherein the capacitor is an adjustable capacitor.
13. An oscillator coupling system, comprising:
a plurality of oscillating members;
at least a first delay member connecting at least two of the oscillating members; and
at least a second delay member for connection with the two oscillating members and introducing a phase or time delay parameter at least several times larger than that of the first delay member so as to be coupled to the two oscillating members having correlated phase or frequency noise suppression and reduce noise autocorrelation of the oscillator coupling system, thereby reducing noise by at least several dB to several dozens dB during system operation, wherein the second delay member comprises a capacitor for adjusting the phase or time delay parameter of the second delay member.
14. The oscillator coupling system of claim 13, wherein the capacitor is an adjustable capacitor.
15. The oscillator coupling system of claim 13, wherein the second delay member is connected in series to a resistor so as to adjust a quality factor of the second delay member and strength of signals injected.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A system, comprising:
a gas turbine engine, comprising:
a combustion section;
a turbine section coupled to the combustion section, wherein the turbine section comprises a turbine stage having a plurality of turbine blades, each blade of the plurality of turbine blades having a blade end at a first end and a second end coupled to a rotor, and a stationary shroud disposed about the plurality of turbine blades that defines a clearance between each blade end of the plurality of turbine blades and an innermost surface of the stationary shroud that is disposed at an oblique angle relative to a rotational axis of the plurality of turbine blades; and
a diffuser section coupled to the turbine section, wherein the diffuser section comprises an outer wall defining an expanding flow path downstream from the plurality of turbine blades, the outer wall comprises a first wall portion that contacts and extends from the stationary shroud, the first wall portion having a first angle relative to the rotational axis of the plurality of turbine blades, the first angle is between 16 and 40 degrees, and when over tip leakage flow flows through the clearance between each blade end and the innermost surface of the stationary shroud, the over tip leakage flow energizes and maintains a boundary layer along the outer wall.
2. The system of claim 1, wherein the outer wall comprises a second wall portion downstream from and contacting the first wall portion, the second wall portion has a second angle relative to the rotational axis of the plurality of turbine blades, and the second angle is between 6 and 15 degrees.
3. The system of claim 2, wherein the first angle is between 20and 30 degrees.
4. The system of claim 1, wherein the clearance enables the over tip leakage flow to increase a radial flow velocity in the diffuser section to reduce flow separation along the outer wall.
5. The system of claim 1, wherein the clearance is between 90 and 150 mils.
6. The system of claim 1, wherein the diffuser section has a length and the gas turbine engine has a total length, and the length is less than 15percent of the total length.
7. A system, comprising:
a rotary section comprising a plurality of blades, each blade of the plurality of blades having a blade end at a first end and a second end coupled to a rotor, and a stationary shroud disposed about the plurality of blades that defines a clearance between each blade end of the plurality of blades and an innermost surface of the stationary shroud that is disposed at an oblique angle relative to a rotational axis of the plurality of blades; and
a diffuser section comprising an outer wall defining an expanding flow path downstream from the plurality of blades, wherein the outer wall comprises a first wall portion that contacts and extends from the stationary shroud, the first wall portion having a first angle relative to the rotational axis of the plurality of blades, the first angle is between 16 and 40 degrees, and when over tip leakage flow flows through the clearance between each blade end and the innermost surface of the stationary shroud, the over tip leakage flow energizes and maintains a boundary layer along the outer wall.
8. The system of claim 7, wherein the rotary section comprises a turbine section.
9. The system of claim 7, wherein the outer wall comprises a second wall portion downstream from and contacting the first wall portion, the second wall portion has a second angle relative to the rotational axis of the plurality of blades, and the second angle is between 6 and 15 degrees.
10. The system of claim 9, wherein the first angle is between 21 and 23 degrees, the second angle is between 7 and 9 degrees.
11. The system of claim 7, wherein, the clearance enables the over tip leakage flow to increase a radial flow velocity in the diffuser section to substantially reduce or eliminate flow separation along the outer wall.
12. A method, comprising:
enabling an over tip leakage flow to pass through a clearance between each blade end of a plurality of turbine blades of a turbine stage and an innermost surface of a stationary shroud that is disposed at an oblique angle relative to a rotational axis of the plurality of turbine blades;
radially expanding a flow from the plurality of turbine blades in a downstream direction through a first portion of a wall of a turbine diffuser that contacts and extends from the stationary shroud, the first wall portion having a first angle relative to the rotational axis of the plurality of turbine blades between 16 and 40 degrees; and
energizing and maintaining a boundary layer along the first portion of the wall of the turbine diffuser with the over tip leakage flow.
13. The method of claim 12, wherein the first angle is between 20 and 30 degrees.
14. The method of claim 12, comprising radially expanding the flow from the plurality of turbine blades from the first portion of the wall in the downstream direction through a second portion of the wall contacting the first wall portion and having a second angle relative to the rotational axis of the plurality of turbine blades between 6 and 15 degrees.
15. The method of claim 12, comprising diffusing an exhaust flow from the turbine stage through the turbine diffuser over a length that is less than 15 percent of a total length of a turbine engine having the turbine stage and the turbine diffuser.