# US 2014/0151105 A1 · Base substrate, resonator, oscillator, sensor, electronic device, electronic apparatus, and moving object

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- Number: US 2014/0151105 A1
- Document ID: US20140151105A1
- Status: Published application
- Kind: A1
- Application number: 14/093,212
- Filed: 2013-11-29
- Published: 2014-06-05
- Earliest claimed: 2012-12-04
- Assignees: Seiko Epson Corporation
- Applicants: Seiko Epson Corporation
- Inventors: Takuo KUWAHARA
- Web page: https://patentgrep.com/patent/US20140151105A1

## CPC

- H05K 1/181: associated with surface mounted components
- H03H 9/1021: {the BAW device being of the cantilever type}
- H05K 3/3442: {having edge contacts, e.g. leadless chip capacitors, chip carriers}
- H05K 1/0271: {Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion}
- H05K 2201/10727: Leadless chip carrier [LCC], e.g. chip-modules for cards
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H03H: IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS (waveguides, resonators, lines or other devices of the waveguide type H01P)
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

An insulating container as a base substrate includes a loading portion which is disposed on the other surface side, mounting electrodes as first terminals which are provided on a bottom surface as the other surface having a front and rear relationship with the other surface, a first cut-out portion which is provided on a side surface from a corner portion of the bottom surface towards a corner portion on the other surface side, a second cut-out portion which is provided to extend from the first cut-out portion at least on one of the side surfaces on both sides of the first cut-out portion, and second terminals which are provided on the surface of the first cut-out portion and the surface of the second cut-out portion.

## Claims

### Claim 1

A base substrate comprising a substrate which has corner portions and cut-out portions obtained by connecting side surfaces on both sides of the corner portions, in a plan view, and in which an outer periphery of the corner portion is a curved line, in a plan view,
wherein a metallic film is provided on a surface of each of the cut-out portions.

### Claim 2 (depends on 1)

The base substrate according to claim 1,
wherein the outer periphery of each of the corner portions is convexly recessed towards the center of the substrate, in a plan view.

### Claim 3 (depends on 1)

The base substrate according to claim 1, further comprising:
mounting terminals on one surface of the substrate,
wherein concavity and convexity are provided on the surface of each of the mounting terminals.

### Claim 4 (depends on 1)

A resonator comprising:
the base substrate according to claim 1; and
a vibrating piece which is loaded on the base substrate.

### Claim 5 (depends on 2)

A resonator comprising:
the base substrate according to claim 2; and
a vibrating piece which is loaded on the base substrate.

### Claim 6 (depends on 1)

An oscillator comprising:
the base substrate according to claim 1;
a vibrating piece which is loaded on the base substrate; and
a circuit.

### Claim 7 (depends on 2)

An oscillator comprising:
the base substrate according to claim 2;
a vibrating piece which is loaded on the base substrate; and
a circuit.

### Claim 8 (depends on 1)

An electronic device comprising:
the base substrate according to claim 1; and
an electronic element which is loaded on the base substrate.

### Claim 9 (depends on 2)

An electronic device comprising:
the base substrate according to claim 2; and
an electronic element which is loaded on the base substrate.

### Claim 10 (depends on 1)

A sensor comprising:
the base substrate according to claim 1; and
a sensor element which is loaded on the base substrate.

### Claim 11 (depends on 2)

A sensor comprising:
the base substrate according to claim 2; and
a sensor element which is loaded on the base substrate.

### Claim 12 (depends on 1)

An electronic apparatus comprising the base substrate according to claim 1.

### Claim 13 (depends on 2)

An electronic apparatus comprising the base substrate according to claim 2.

### Claim 14 (depends on 1)

A moving object comprising the base substrate according to claim 1.

### Claim 15 (depends on 2)

A moving object comprising the base substrate according to claim 2.