Electronic component and information reading method
An element body includes a metal-particle-dispersed body in which metal particles are dispersed, the metal-particle-dispersed body includes a display region on a surface, and the display region includes a display pattern in which a resin exposed portion where a resin appears on a surface and a metal exposed portion where the metal particles appear on the surface are alternately repeated.
1. An electronic component comprising an element body,
wherein the element body includes a metal-particle-dispersed body in which metal particles are dispersed,
the metal-particle-dispersed body includes a display region on a surface, and
the display region includes a display pattern in which a resin exposed portion where a resin appears on a surface and a metal exposed portion where the metal particles appear on the surface are alternately repeated,
wherein the metal particles are dispersed in the resin of the metal-particle-dispersed body, and
the metal exposed portion is a portion where a concave portion having a predetermined pattern is formed on the surface of the metal-particle-dispersed body and the metal particles are exposed, and the resin exposed portion is a portion where the resin remains on the surface where the concave portion is not formed.
2. The electronic component according to claim 1 ,
wherein a concave portion having a predetermined pattern is formed on the surface of the metal-particle-dispersed body, and a resin is embedded in the concave portion,
the resin exposed portion is a portion where the resin is embedded, and the metal exposed portion is a portion where the concave portion is not formed and the metal particles are exposed, and
a surface of the resin exposed portion is approximately flush with or recessed from a surface of the metal exposed portion.
3. An information reading method from an electronic component, the method comprising:
irradiating the display region of the electronic component according to claim 2 with specific light having a wavelength shorter than a wavelength of red light; and
reading information included in the display region from reflected light.
4. An electronic component comprising an element body,
wherein the element body includes a metal-particle-dispersed body in which metal particles are dispersed,
the metal-particle-dispersed body includes a display region on a surface, and
the display region includes a display pattern in which a resin exposed portion where a resin appears on a surface and a metal exposed portion where the metal particles appear on the surface are alternately repeated,
wherein a resin layer is formed on the surface of the metal-particle-dispersed body, and
the metal exposed portion is a portion where a concave portion having a predetermined pattern is formed on a surface of the resin layer and the resin layer is removed, and the resin exposed portion is a portion where the concave portion is not formed and the resin layer remains.
5. The electronic component according to claim 4 ,
wherein a concave portion having a predetermined pattern is formed on the surface of the metal-particle-dispersed body, and a resin is embedded in the concave portion,
the resin exposed portion is a portion where the resin is embedded, and the metal exposed portion is a portion where the concave portion is not formed and the metal particles are exposed, and
a surface of the resin exposed portion is approximately flush with or recessed from a surface of the metal exposed portion.
6. An information reading method from an electronic component, the method comprising:
irradiating the display region of the electronic component according to claim 4 with specific light having a wavelength shorter than a wavelength of red light; and
reading information included in the display region from reflected light.
7. An electronic component comprising an element body,
wherein the element body includes a metal-particle-dispersed body in which metal particles are dispersed,
the metal-particle-dispersed body includes a display region on a surface, and
the display region includes a display pattern in which a resin exposed portion where a resin appears on a surface and a metal exposed portion where the metal particles appear on the surface are alternately repeated,
wherein the metal exposed portion is recessed up to a predetermined depth in comparison to the resin exposed portion.
8. The electronic component according to claim 7 ,
wherein a concave portion having a predetermined pattern is formed on the surface of the metal-particle-dispersed body, and a resin is embedded in the concave portion,
the resin exposed portion is a portion where the resin is embedded, and the metal exposed portion is a portion where the concave portion is not formed and the metal particles are exposed, and
a surface of the resin exposed portion is approximately flush with or recessed from a surface of the metal exposed portion.
9. An information reading method from an electronic component, the method comprising:
irradiating the display region of the electronic component according to claim 7 with specific light having a wavelength shorter than a wavelength of red light; and
reading information included in the display region from reflected light.
10. An electronic component comprising an element body,
wherein the element body includes a magnetic particle-dispersed body in which magnetic particles are dispersed and a metal-particle-dispersed body in which metal particles are dispersed,
the magnetic particle-dispersed body includes a display region on a surface,
the display region has a display pattern in which a resin exposed portion where a resin appears on a surface and a magnetic substance exposed portion where the magnetic particles appear on the surface are alternately repeated,
the metal particles are dispersed in the resin of the metal-particle-dispersed body, and
the metal-particle-dispersed body includes a metal exposed portion, wherein the metal exposed portion is a portion where a concave portion having a predetermined pattern is formed on the surface of the metal-particle-dispersed body and the metal particles are exposed, and the resin exposed portion is a portion where the resin remains on the surface where the concave portion is not formed.
11. An information reading method from an electronic component, the method comprising:
irradiating the display region of the electronic component according to claim 6 with specific light having a wavelength shorter than a wavelength of red light; and
reading information included in the display region from reflected light.
12. An electronic component comprising an element body,
wherein the element body includes a magnetic particle-dispersed body in which magnetic particles are dispersed and a metal-particle-dispersed body in which metal particles are dispersed,
the magnetic particle-dispersed body includes a display region on a surface, and
the display region has a display pattern in which a resin exposed portion where a resin appears on a surface and a magnetic substance exposed portion where the magnetic particles appear on the surface are alternately repeated,
wherein a resin layer is formed on the surface of the metal-particle-dispersed body, and
the metal-particle-dispersed body includes a metal exposed portion, wherein the metal exposed portion is a portion where a concave portion having a predetermined pattern is formed on a surface of the resin layer and the resin layer is removed, and the resin exposed portion is a portion where the concave portion is not formed and the resin layer remains.
13. An information reading method from an electronic component, the method comprising:
irradiating the display region of the electronic component according to claim 12 with specific light having a wavelength shorter than a wavelength of red light; and
reading information included in the display region from reflected light.
14. An electronic component comprising an element body,
wherein the element body includes a magnetic particle-dispersed body in which magnetic particles are dispersed and a metal-particle-dispersed body in which metal particles are dispersed,
the magnetic particle-dispersed body includes a display region on a surface, and
the display region has a display pattern in which a resin exposed portion where a resin appears on a surface and a magnetic substance exposed portion where the magnetic particles appear on the surface are alternately repeated,
the metal-particle-dispersed body includes a metal exposed portion, wherein the metal exposed portion is recessed up to a predetermined depth in comparison to the resin exposed portion.
15. An information reading method from an electronic component, the method comprising:
irradiating the display region of the electronic component according to claim 14 with specific light having a wavelength shorter than a wavelength of red light; and
reading information included in the display region from reflected light.