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US 6,609,009 B1Granted
Electronic component and radio terminal using the same
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsKuniaki Kiyosue, Kazuhiro Takeda, Hiromi Sakita, Kenzo Isozaki, Katsumi Sasaki
Life of this patent
Estimating the term…
Abstract
An electronic component which comprises a substrate, conductive film on the surface of the substrate, a groove created on the conductive film, a protective material covering the groove, and terminals and on both ends of the substrate. Lengths P1 to P8 of the terminals and, the surface roughness and materials of the terminals and, and configuration of the protective material are specified for providing an electronic component and radio terminal with at least one of improved productivity, mountability, and characteristics.
Claims52
An electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate;
- wherein a length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- a center line average surface roughness of said terminals ranges from 0.3 μm to 10 μm.
6 more elements
An electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- a conductive material configuring said terminals is a flaked material, said flaked material having a particle size from 1 μm to 5 μm.
6 more elements
An electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- materials configuring said substrate and said terminals are spherical materials, said spherical materials having a particle size from 0.1 μm to 2.0 μm.
6 more elements
An electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- a thickness of said terminals at said end surface of said substrate is from 10 μm to 40 μm.
6 more elements
An electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- said terminals are disposed on said end surface of said substrate and on a side face adjacent to said end surface, and a thickness of said terminals formed on said side surface is from 10 μm to 40 μm.
6 more elements
An electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- at least one of a corrosion resistance layer and a bonding layer is further formed on said terminals.
6 more elements
An electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L<0.35
- 0.07<P6/L1<0.35
- and a protective material is provided to cover a groove between said spirally wound conductive film, and said protective material comprises an electro-deposited film disposed on said conductive film and an insulating layer disposed on said electro-deposited film, and a thickness of said electro-deposited film is from 10 to 30 μm, and a thickness of said insulating layer is from 5 to 20 μm, and a ratio of thickness of said electro-deposited film and thickness of said insulating layer is from 0.1 to 1.0.
5 more elements
An electronic component comprising:
- a substrate;
- a resistance layer disposed on said substrate;
- a groove formed in said resistance layer;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35
- 0.07<P6/L1<0.35.
5 more elements
An electronic component comprising:
- a substrate;
- a conductive film disposed on said substrate;
- a groove formed in said conductive film, said groove divides at least said conductive film into two parts;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35
- 0.07<P6/L1<0.35.
5 more elements
A wireless terminal comprising:
- a display device;
- a signal converter;
- an antenna;
- and
- a controller,
- wherein, an electronic component is used in at least one of an oscillating circuit, filter circuit, antenna circuit, and matching circuit for connecting each of said circuits and its peripheral circuits, said electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate;
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- a center line average surface roughness of said terminals is from 0.3 μm to 10 μm.
12 more elements
A wireless terminal comprising:
- a display device;
- a signal converter;
- an antenna;
- and
- a controller;
- wherein, an electronic component is used in at least one of an oscillating circuit, filter circuit, antenna circuit, and matching circuit for connecting each of said circuits and its peripheral circuits, said electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- a conductive material configuring said terminals is a flaked material, and its particle size is from 1 μm to 5 μm.
12 more elements
A wireless terminal comprising:
- a display device;
- a signal converter;
- an antenna;
- and
- a controller;
- wherein, an electronic component is used in at least one of an oscillating circuit, filter circuit, antenna circuit, and matching circuit for connecting each of said circuits and its peripheral circuits, said electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- materials configuring said substrate and said terminals are spherical in shape, and their particle size is from 0.1 μm to 2.0 μm.
12 more elements
A wireless terminal comprising:
- a display device;
- a signal converter;
- an antenna;
- and
- a controller;
- wherein, an electronic component is used in at least one of an oscillating circuit, filter circuit, antenna circuit, and matching circuit for connecting each of said circuits and its peripheral circuits, said electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P61 L1<0.35;
- and
- film thickness of said terminals at said end surface of said substrate is from 10 μm to 40 μm.
12 more elements
A wireless terminal comprising:
- a display device;
- a signal converter;
- an antenna;
- and
- a controller;
- wherein, an electronic component is used in at least one of an oscillating circuit, filter circuit, antenna circuit, and matching circuit for connecting each of said circuits and its peripheral circuits, said electronic component comprising:
- a substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- said terminals are disposed on said end surface of said substrate and on a side surface adjoining said end surface, and a thickness of said terminals formed on said side surface is from 10 μm to 40 μm.
12 more elements
A wireless terminal comprising:
- a display device;
- a signal converter;
- an antenna;
- and
- a controller;
- wherein, an electronic component is used in at least one of an oscillating circuit, filter circuit, antenna circuit, and matching circuit for connecting each of said circuits and its peripheral circuits, said electronic component comprising:
- substrate;
- a conductive film spirally wound on said substrate;
- and
- a pair of terminals disposed on both end surfaces of said substrate,
- wherein length L1 of said electronic component in a direction that said pair of terminals face each other (lengthwise direction), lengths P5 and P6 of each cross-section of said pair of terminals in the lengthwise direction have a relationship of:
- 0.07<P5/L1<0.35,
- 0.07<P6/L1<0.35;
- and
- said conductive film is also disposed on said end surface of said substrate, and said terminals are disposed via the conductive film on said end surface, and further, at least one of anticorrosive layer and bonding layer is formed on said terminals.
12 more elements
Dependencies are inferred from the claim text.