Antenna system, and manufacturing method and design method for same

2:

• The antenna system as recited in claim 1, wherein the intensity of the reflected wave from the laminate is a square As2 of an amplitude As that satisfies the following formula (1):
• A
• s
• ⁢
• sin
• (
• 2
• ⁢
• π
• (
• x
• +
• Δ
• ⁢
• x
• s
• )
• /
• λ
• =
• ∑
• A
• n
• ⁢
• sin
• ⁡
• (
• 2
• ⁢
• π
• ⁡
• (
• x
• +
• Δ
• ⁢
• x
• n
• )
• /
• λ
• )
• (
• 1
• )
• where
• A
• n
• =
• (
• ε
• n
• -
• 1
• ⁢
• cos
• ⁢
• θ
• n
• -
• 1
• -
• ε
• n
• ⁢
• cos
• ⁢
• θ
• n
• )
• /
• (
• ε
• n
• -
• 1
• ⁢
• cos
• ⁢
• θ
• n
• -
• 1
• +
• ε
• n
• ⁢
• cos
• ⁢
• θ
• n
• )
• )
• ⁢
• Π
• ⁡
• (
• 1
• -
• A
• n
• -
• 1
• 2
• )
• Δ
• ⁢
• x
• n
• =
• Δ
• ⁢
• x
• n
• -
• 1
• +
• 2
• ⁢
• L
• n
• -
• 1
• (
• ε
• n
• -
• 1
• -
• ε
• 1
• ⁢
• sin
• ⁢
• θ
• 1
• ⁢
• sin
• ⁢
• θ
• n
• -
• 1
• )
• /
• cos
• ⁢
• θ
• n
• -
• 1
• ε
• n
• -
• 1
• ⁢
• sin
• ⁢
• θ
• n
• -
• 1
• =
• ε
• n
• ⁢
• sin
• ⁢
• θ
• n
• where
• εn denotes a relative dielectric constant of the n-th layer constituting the laminate,
• Ln denotes a thickness of the n-th layer constituting the laminate,
• θn denotes a refraction angle of the high-frequency wave that has entered the n-th layer constituting the laminate,
• λdenotes a wavelength in air of the high-frequency wave that is incident on the laminate,
• ε0 denotes a relative dielectric constant in air,
• n denotes an integer of 1 or more,
• A0=0,
• Δx0=0,
• L0=0, and
• θ0=incident angle of the high-frequency wave entering the laminate.

8:

• A method for manufacturing an antenna system to be used at a frequency of 1 GHz or higher,
• the antenna system comprising:
• a laminate comprising a plurality of high-frequency permeable layers that are mutually in contact at interfaces and respectively transmit high-frequency wave;
• and
• an antenna circuit board comprising a high-frequency insulating layer, and disposed adjacent to an outermost high-frequency permeable layer of the laminate, the antenna circuit board receiving the high-frequency wave having been transmitted through the laminate,
• the method comprising setting a thickness Ln of n-th layer of the plurality of high-frequency permeable layers within a range of Lnmin ±λ/(10√εn) during producing the antenna, the n-th layer being at least one high-frequency permeable layer of the laminate,
• where
• the n-th layer is defined as an n-th high frequency wave transmitting layer in the laminate, counting in an order from a surface of the laminate,
• εn denotes a relative dielectric constant of the n-th layer,
• λdenotes a wavelength of the high-frequency wave that is incident on the laminate, and
• Lnmin denotes a thickness of the n-th layer where an intensity of a reflected wave from the laminate is minimized, the intensity being determined as an intensity of a composite wave of reflected waves from a front surface, a back surface, and joint interfaces of the laminate.

10:

• The method for manufacturing an antenna system as recited in claim 8, wherein the intensity of the reflected wave from the laminate is a square As2 of an amplitude As that satisfies the following formula (1):
• A
• s
• ⁢
• sin
• (
• 2
• ⁢
• π
• (
• x
• +
• Δ
• ⁢
• x
• s
• )
• /
• λ
• =
• ∑
• A
• n
• ⁢
• sin
• ⁡
• (
• 2
• ⁢
• π
• ⁡
• (
• x
• +
• Δ
• ⁢
• x
• n
• )
• /
• λ
• )
• (
• 1
• )
• where
• A
• n
• =
• (
• ε
• n
• -
• 1
• ⁢
• cos
• ⁢
• θ
• n
• -
• 1
• -
• ε
• n
• ⁢
• cos
• ⁢
• θ
• n
• )
• /
• (
• ε
• n
• -
• 1
• ⁢
• cos
• ⁢
• θ
• n
• -
• 1
• +
• ε
• n
• ⁢
• cos
• ⁢
• θ
• n
• )
• )
• ⁢
• Π
• ⁡
• (
• 1
• -
• A
• n
• -
• 1
• 2
• )
• Δ
• ⁢
• x
• n
• =
• Δ
• ⁢
• x
• n
• -
• 1
• +
• 2
• ⁢
• L
• n
• -
• 1
• (
• ε
• n
• -
• 1
• -
• ε
• 1
• ⁢
• sin
• ⁢
• θ
• 1
• ⁢
• sin
• ⁢
• θ
• n
• -
• 1
• )
• /
• cos
• ⁢
• θ
• n
• -
• 1
• ε
• n
• -
• 1
• ⁢
• sin
• ⁢
• θ
• n
• -
• 1
• =
• ε
• n
• ⁢
• sin
• ⁢
• θ
• n
• where
• εn denotes a relative dielectric constant of the n-th layer constituting the laminate,
• Ln denotes a thickness of the n-th layer constituting the laminate,
• θn denotes a refraction angle of the high-frequency wave having entered the n-th layer constituting the laminate,
• λdenotes a wavelength in air of the high-frequency wave that is incident on the laminate,
• ε0 denotes a relative dielectric constant in air,
• n denotes an integer of 1 or more,
• A0=0,
• Δx0=0,
• L0=0, and
• θ0=incident angle of the high-frequency wave that is incident on the laminate.