# US 2013/0155567 A1 · Discharge electrode, method for manufacturing discharge electrode, ion generating apparatus, and electrostatic atomizing apparatus

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- Number: US 2013/0155567 A1
- Document ID: US20130155567A1
- Status: Published application
- Kind: A1
- Application number: 13/819,187
- Filed: 2011-09-06
- Published: 2013-06-20
- Earliest claimed: 2010-09-27
- Assignees: Panasonic Corporation
- Inventors: Takayuki Nakada; Takafumi Omori; Yusuke Yamada; Kazunobu Nakata; Toshihiro Ito; Takashi Kozai; Shinya Murase
- Web page: https://patentgrep.com/patent/US20130155567A1

## CPC

- B05B 5/0536: {Dimensional characteristics of electrodes, e.g. diameter or radius of curvature of a needle-like corona electrode}
- B05B 5/001: {incorporating means for heating or cooling, e.g. the material to be sprayed}
- B05B 5/0255: {spraying and depositing by electrostatic forces only}
- B05B 5/0535: {at least two electrodes having different potentials being held on the discharge apparatus, one of them being a charging electrode of the corona type located in the spray or close to it, and another being of the non-corona type located outside of the path for the material}
- H01J 9/02: Manufacture of electrodes or electrode systems
- H01T 23/00: Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
- B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D)
- H01J: ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps H01T; electric arc lamps H05B31/00; particle accelerators H05H)
- H01T: SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES (overvoltage protection circuits H02H)

## Abstract

A discharge electrode includes a surface layer to which a surface treatment that enables solder bonding is applied.

## Claims

### Claim 1

A discharge electrode comprising a surface layer to which a surface treatment that enables solder bonding is applied.

### Claim 2 (depends on 1)

The discharge electrode according to claim 1, wherein the surface treatment is a plating treatment.

### Claim 3 (depends on 2)

The discharge electrode according to claim 2, wherein the plating treatment is a nickel plating.

### Claim 4 (depends on 3)

The discharge electrode according to claim 3, wherein the discharge electrode is formed of a rod that is made of titanium to which the nickel plating is applied.

### Claim 5 (depends on 1)

The discharge electrode according to claim 1, comprising a distal portion including a discharge portion formed by a rolling process.

### Claim 6 (depends on 1)

The discharge electrode according to claim 1, comprising a base end portion including a flange-shaped base portion formed by a heading process.

### Claim 7

A method for manufacturing a discharge electrode comprising:
a surface treatment step of applying a surface treatment, which enables solder bonding, to a wire rod;
a cutting step of cutting the wire rod to form a cut rod; and
a discharge portion forming step of forming a discharge portion at a distal portion of the cut rod.

### Claim 8 (depends on 7)

The method for manufacturing a discharge electrode according to claim 7, wherein the surface treatment step includes applying a plating treatment to the wire rod.

### Claim 9 (depends on 8)

The method for manufacturing a discharge electrode according to claim 8, wherein the plating treatment is a nickel plating.

### Claim 10 (depends on 9)

The method for manufacturing a discharge electrode according to claim 9, wherein the wire rod is made of titanium.

### Claim 11 (depends on 7)

The method for manufacturing a discharge electrode according to claim 7, further comprising a base portion forming step of forming a flange-shaped base portion, for installation of the discharge electrode, at a base end portion of the cut rod by a heading process.

### Claim 12 (depends on 7)

The method for manufacturing a discharge electrode according to claim 7, wherein the discharge portion forming step includes forming the discharge portion by a rolling process.

### Claim 13 (depends on 1)

An ion generating apparatus comprising:
the discharge electrode according to claim 1; and
a high voltage applying unit that applies a high voltage to the discharge electrode to generate ions by discharging.

### Claim 14 (depends on 1)

An electrostatic atomizing apparatus comprising:
the discharge electrode according to claim 1;
a water supplying unit that supplies water to the discharge electrode; and
a high voltage applying unit that applies a high voltage to the discharge electrode holding the water to form charged micro-particle water by discharging.