Electronic component

Patent metadata

Field	Value
Publication number	US-2017352467-A1
Application number	US-201715459543-A
Country	US
Kind code	A1
Filing date	Mar 15, 2017
Priority date	Jun 1, 2016
Publication date	Dec 7, 2017
Grant date	—

Abstract

One object of the present invention is to enable identification of the direction of an electronic component, while suppressing increase in cost. The present invention provides an electronic component comprising: an insulator portion having a plurality of surfaces (e.g., a top surface, a bottom surface, end surfaces, and side surfaces), the insulator portion including a plurality of regions having different transmissivities of a light beam entering one of the plurality of surfaces (e.g., a top surface, a bottom surface, end surfaces, and side surfaces); an internal conductor portion provided in the insulator portion; and external electrodes provided on the insulator portion and electrically connected to the internal conductor portion.

First claim

What is claimed is:

1 . An electronic component comprising:
an insulator portion having a plurality of surfaces, the insulator portion including a plurality of regions having different transmissivities of a light beam entering one of the plurality of surfaces; an internal conductor portion provided in the insulator portion; and a plurality of external electrodes provided on the insulator portion and electrically connected to the internal conductor portion.

2 . The electronic component of claim 1 , wherein
the insulator portion includes a first region and a second region having different transmissivities of the light beam entering the one of the plurality of surfaces, and the first region and the second region contain different materials having different transmissivities of the light beam for a same thickness.

3 . The electronic component of claim 1 , wherein
the insulator portion includes a first region and a second region having different transmissivities of the light beam entering the one of the plurality of surfaces, and the first region and the second region include portions having a same transmissivity of the light beam for a same thickness and having different thicknesses.

4 . The electronic component of claim 2 , wherein one of the first and second regions having a higher transmissivity of the light beam is transparent to visible light and extends from the one of the plurality of surfaces of the insulator portion to the internal conductor portion.

5 . The electronic component of claim 2 , wherein
one of the first and second regions includes a functional region including a functional portion of the internal conductor portion, and the other does not include the functional region and includes a surrounding region positioned around the functional region, and the functional region is offset from a middle of the insulator portion in a direction parallel with the one of the plurality of surfaces.

6 . The electronic component of claim 2 , wherein the difference in transmissivity of the light beam between the first region and the second region is equal to or greater than 10%.

7 . The electronic component of claim 2 , wherein the first and second regions are composed mainly of glass or resin and contain different amounts of metal oxide, organic coloring matter, silicon oxide, graphite, or carbonized silicon.

8 . The electronic component of claim 2 , wherein
the first and second regions are composed mainly of glass or resin and contain different amounts of metal oxide, and the metal oxide includes at least one of aluminum oxide, cobalt oxide, manganese oxide, titanium oxide, potassium oxide, magnesium oxide, copper oxide, iron oxide, and zinc oxide.

9 . The electronic component of claim 1 , wherein
the insulator portion includes a conductor-containing layer and a pair of non-conductor layers, the conductor-containing layer including the internal conductor portion, one of the pair of non-conductor layers being provided on the conductor-containing layer in a position closer to a bottom surface serving as a mounting surface, the other of the pair of non-conductor layers being provided on the conductor-containing layer in a position closer to a top surface opposed to the bottom surface, and the pair of non-conductor layers have different transmissivities of the light beam entering a surface crossing the bottom surface and the top surface.

10 . The electronic component of claim 1 , wherein
the insulator portion includes a conductor-containing layer and a non-conductor layer, the conductor-containing layer including the internal conductor portion, the non-conductor layer being provided on the conductor-containing layer in a position closer to a bottom surface serving as a mounting surface or in a position closer to a top surface opposed to the bottom surface, and the conductor-containing layer and the non-conductor layer have different transmissivities of the light beam entering a surface crossing the bottom surface and the top surface.

11 . The electronic component of claim 1 , wherein
the insulator portion includes a conductor-containing layer and at least one non-conductor layer, the conductor-containing layer including the internal conductor portion, the at least one non-conductor layer being provided on the conductor-containing layer in at least one of a position closer to a bottom surface serving as a mounting surface and a position closer to a top surface opposed to the bottom surface, the conductor-containing layer has a higher transmissivity of the light beam than the at least one non-conductor layer, the light beam entering a surface crossing the bottom surface and the top surface, and the conductor-containing layer is transparent to visible light.

12 . The electronic component of claim 1 , wherein
the insulator portion includes a conductor-containing layer and a pair of non-conductor layers, the conductor-containing layer including the internal conductor portion, one of the pair of non-conductor layers being provided on the conductor-containing layer in a position closer to a bottom surface serving as a mounting surface, the other of the pair of non-conductor layers being provided on the conductor-containing layer in a position closer to a top surface opposed to the bottom surface, the conductor-containing layer and the pair of non-conductor layers have different transmissivities of the light beam entering a surface crossing the bottom surface and the top surface, and the conductor-containing layer is offset from a middle of the insulator portion toward the top surface or the bottom surface.

13 . The electronic component of claim 9 , wherein the pair of non-conductor layers have a larger specific gravity than the conductor-containing layer.

14 . The electronic component of claim 9 , wherein in a direction of long sides of the bottom surface of the insulator portion, the pair of non-conductor layers have a larger length than the conductor-containing layer.

15 . The electronic component of claim 9 , wherein the pair of non-conductor layers have a larger length in the top-bottom direction than the conductor-containing layer.

16 . The electronic component of claim 1 , wherein
the insulator portion has a bottom surface serving as a mounting surface and a top surface opposed to the bottom surface, and a length of the bottom surface in a direction of short sides of the bottom surface is larger than a distance between the bottom surface and the top surface, and a functional portion of the internal conductor portion is positioned closer to the top surface of the insulator portion.

17 . The electronic component of claim 16 , wherein a connection portion between the internal conductor portion and the plurality of external electrodes are positioned closer to the top surface than is a portion of the functional portion closest to the bottom surface.

18 . The electronic component of claim 9 , wherein
the plurality of external electrodes extend from the bottom surface of the insulator portion to end surfaces connected to short sides of the bottom surface of the insulator portion, a length of the plurality of external electrodes on the bottom surface of the insulator portion in a direction of long sides of the bottom surface is larger than a length of the plurality of external electrodes on the end surfaces of the insulator portion in a top-bottom direction, and a length of the plurality of external electrodes on the end surfaces of the insulator portion in the top-bottom direction is equal to or less tha

Assignees

• Taiyo Yuden Kk

Inventors

• Kakiuchi Ikuo
• Kohara Masataka
• YOKOYAMA lchiro
• Nozawa Keiichi
• Okazaki Masakazu
• Maruyama Yoshikazu
• Yatabe Masuo

Classifications

• H01G4/228

  Terminals · CPC title

• H01F17/0013 Primary

  with stacked layers · CPC title

• H01G4/30

  Stacked capacitors (H01G4/33 takes precedence) · CPC title

• H01G4/005

  Electrodes · CPC title

• H01G4/06

  Solid dielectrics · CPC title