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US 6,552,289 B2Granted
Dome switch
AssigneeYazaki Corporation
InventorsKenichiro Kawaguchi, Yasuyoshi Serizawa, Minoru Kubota
Life of this patent
Estimating the term…
Abstract
In a dome switch (21) including a surface sheet (22), a spacer sheet (23), an FPC (24) serving as a circuit member, and an adhesive sheet (25), an accommodating portion (34) for a chip component (38) mounted on a contact (37) side of the FPC (24) is formed in the spacer sheet (23). In addition, an embossed portion (28) for the chip component (38) is formed in the surface sheet (22), as required.
Claims19
A dome switch comprising:
- a front sheet;
- a dome-shaped protuberance which is formed on the front sheet so as to protrude outside, can be reversed inside and includes an electrode provided therein;
- a circuit member having a contact point with which the electrode are brought into contact when the protuberance is reversed;
- a spacer sheet which is interposed between the front sheet and the circuit member, and includes a through hole formed therein for ensuring contact between the electrode and the contact point;
- an adhesive sheet including on one side a circuit attaching surface for the circuit member and on the other side a bonding and fixing surface for an attaching member;
- and
- a spacer sheet-side accommodating portion, for accommodating a chip component mounted on a side of the circuit member where the contact is disposed, formed in the spacer sheet.
4 more elements
A dome switch comprising:
- a front sheet;
- a dome-shaped protuberance which is formed on the front sheet so as to protrude outside, can be reversed inside and includes an electrode provided therein;
- a circuit member having a contact point with which the electrode are brought into contact when the protuberance is reversed;
- a spacer sheet which is interposed between the front sheet and the circuit member, and includes a through hole formed therein for ensuring contact between the electrode and the contact point;
- an adhesive sheet including on one side a circuit attaching surface for the circuit member and on the other side a bonding and fixing surface for an attaching member;
- and
- an adhesive sheet-side accommodating portion, for accommodating a chip component mounted on a side of the circuit member where the contact is not disposed, formed in the adhesive sheet.
4 more elements
A dome switch comprising:
- a front sheet;
- a dome-shaped protuberance which is formed on the front sheet so as to protrude outside, can be reversed inside and includes an electrode provided therein;
- a circuit member having a contact point with which the electrode are brought into contact when the protuberance is reversed;
- a spacer sheet which is interposed between the front sheet and the circuit member, and includes a through hole formed therein for ensuring contact between the electrode and the contact point;
- an adhesive sheet including on one side a circuit attaching surface for the circuit member and on the other side a bonding and fixing surface for an attaching member;
- a spacer sheet-side accommodating portion, for accommodating a chip component mounted on a side of the circuit member where the contact is disposed, is formed in the spacer sheet;
- and
- an adhesive sheet-side accommodating portion, for accommodating a chip component mounted on a side of the circuit member opposite to the side where the contact is disposed, is formed in the adhesive sheet.
5 more elements
A dome switch comprising:
- a front sheet;
- a dome-shaped protuberance which is formed on the front sheet so as to protrude outside, can be reversed inside and includes an electrode provided therein;
- a circuit member having a contact point with which the electrode are brought into contact when the protuberance is reversed;
- a spacer sheet which is interposed between the front sheet and the circuit member and includes,a through hole formed therein for ensuring contact between the electrode and the contact point;
- a light guiding portion, for accommodating and light guidance for a LED mounted on a side of the circuit member where the contact is disposed, formed in the spacer sheet;
- and
- a light emitting portion, which is illuminated by light from the LED and through which the light can pass, formed in the surface sheet.
4 more elements
A dome switch comprising:
- a front sheet;
- a dome-shaped protuberance which is formed on the front sheet so as to protrude outside, can be reversed inside and includes an electrode provided therein;
- a circuit member having a contact point with which the electrode are brought into contact when the protuberance is reversed;
- a spacer sheet which is interposed between the front sheet and the circuit member, and includes a through hole formed therein for ensuring contact between the electrode and the contact point;
- a light guiding portion, for accommodating and light guidance for a LED mounted on a side of the circuit member where the contact is disposed, formed in the spacer sheet;
- a light collecting portion, for collecting the light guided by the light guiding portion, formed in the spacer sheet;
- and
- a light emitting portion, which is illuminated by collected light from the light collecting portion and through which the light can pass, formed in the surface sheet.
5 more elements
Dependencies are inferred from the claim text.