Murata Manufacturing Patente

Provided is a multilayer ceramic capacitor that can reduce ESL. A multilayer ceramic capacitor 1 includes: end surface internal electrodes 20 that are exposed at both end surfaces C of a layered body 2; and side surface internal electrodes 50 that are exposed at both side surfaces B. The multilayer ceramic capacitor 1 is configured such that when a straight line that passes through a center part in the length direction L of the layered body 2 and a center part in the width direction W of the layered body 2 and extends parallel to the layering direction T is a reference line SL, the end surface internal electrode 20 that is closest to a first principal surface AA is a first outermost end surface internal electrode 20A, the distance along the reference line SL between the first outermost end surface internal electrode 20A and the first principal surface AA is a1, and the distance along a first end surface CA between one end part in the width direction W of the first outermost end surface internal electrode 20A and the first principal surface AA is b1, b1<a1.

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An azimuth measurement device (1) includes a first angular velocity sensor (11), a rotation mechanism (13), and a second angular velocity sensor (12). The first angular velocity sensor (11) has a first detection axis (11D) extending in a horizontal direction and is configured to detect a first angular velocity around the first detection axis (11D) serving as a rotation center. The rotation mechanism (13) has a rotation axis (13R) extending in a vertical direction and is configured to rotate the first detection axis (11D) of the first angular velocity sensor (11) around the rotation axis (13R) serving as a rotation center. The second angular velocity sensor (12) is used to correct a rotation angle (α) of the first detection axis (11D) in the rotation mechanism (13). The second angular velocity sensor (12) has a second detection axis (12D) extending in the vertical direction and is configured to detect a second angular velocity around the second detection axis (12D) serving as a rotation center.

A solid electrolyte includes: a first crystallite formed in a primary particle and having a first crystal structure; a second crystallite formed in the same primary particle as for the first crystallite and having a second crystal structure that is a crystal structure different from the first crystal structure; and an amorphous phase, the first crystallite and the second crystallite each contain lithium, the first crystal structure is a hexagonal crystal, the second crystal structure is an orthorhombic crystal, and the crystallite size of the first crystallite and the crystallite size of the second crystallite are both 50 nm or less.

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Provided is a multilayer ceramic capacitor that allows for a reduction in manufacturing costs while achieving an increase in the effective area of internal electrodes, which contributes to generation of capacitance. A multilayer ceramic capacitor includes a multilayer body 12, first internal electrode layers 16a exposed at a first end surface 12e of the multilayer body 12, and second internal electrode layers 16b exposed at a second end surface 12f of the multilayer body 12. The first internal electrode layers 16a are exposed at a first lateral surface 12c and a second lateral surface 12d of the multilayer body 12. The second internal electrode layers 16b are exposed at the first lateral surface 12c and the second lateral surface 12d of the multilayer body 12.

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Provided is a multilayer ceramic capacitor that can be reduced in size with increased capacity and also has high reliability. In a laminate 10 of the multilayer ceramic capacitor, when a region in which internal electrode layers 30 overlap with one another when viewed from a lamination direction T is defined as an effective part 11, facing regions which sandwich the effective part 11 from the width direction W are respectively defined as a first side surface-side outer layer portion WG1 and a second side surface-side outer layer portion WG2, and facing regions which sandwich the effective part 11, the first side surface-side outer layer portion WG1, and the second side surface-side outer layer portion WG2 from the lamination direction T are respectively defined as a first main surface-side outer layer portion TG1 and a second main surface-side outer layer portion TG2, the porosity Pw (%) of the first side surface-side outer layer portion or the second side surface-side outer layer portion, and the porosity Pwt (%) of the first main surface-side outer layer portion TG1 or the second main surface-side outer layer portion TG2 satisfy the relational formula (1). 1.6 ≤ Pwt − Pw ≤ 3.1 <img class="EMIRef" id="803ea74d-b5d0-464b-9397-ea031311c5e6-ia01" />

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Provided are multilayer ceramic electronic components that are each able to reduce or prevent excessive flow of a bonding material appropriately to reduce or prevent the occurrence of solder splash. A multilayer ceramic capacitor (1) includes a multilayer ceramic capacitor main body (2), metal terminals (100A, 100B) connected to external electrodes (40A, 40B) via a bonding material (5), and an exterior material (3) that covers the multilayer ceramic capacitor main body 2, etc. The metal terminals (100A, 100B) include bonding surfaces (110A1, 110B1) that bond the bonding material (5) and contact surfaces (CS1, CS2) in contact with the exterior material (3). The contact surfaces (CS1, CS2) include a surface of an outermost surface plating film (100Ab2, 100Bb2) and a surface of an intermetallic compound (100Ab3, 100Bb3) having a wettability lower than that of the surface of the outermost surface plating film (100Ab2, 100Bb2).

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