Photosensitive insulating paste and electronic component
AssigneeMurata Manufacturing Co., Ltd.
InventorsKenta Kondo, Shimpei Tanabe
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Abstract
A photosensitive insulating paste according to preferred embodiments of the present disclosure contains glass frit, a first inorganic filler, a second inorganic filler, an alkali-soluble polymer, a photosensitive monomer, a photopolymerization initiator, and a solvent. The first inorganic filler has a refractive index of 1.7 or higher. The second inorganic filler has a refractive index of 1.55 or lower. An electronic component according to preferred embodiments of the present disclosure is produced by using the photosensitive insulating paste.
Claims10
A photosensitive insulating paste comprising:
- glass frit;
- a first inorganic filler;
- a second inorganic filler;
- an alkali-soluble polymer;
- a photosensitive monomer;
- a photopolymerization initiator;
- and
- a solvent,
- wherein the first inorganic filler has a refractive index of 1.7 or higher,
- the second inorganic filler has a refractive index of 1.55 or lower, and
- when an amount of the glass frit is denoted as A, an amount of the first inorganic filler is denoted as B, and an amount of the second inorganic filler is denoted as C, the following conditions are satisfied in the photosensitive insulating paste:
- A+B+C=100, B is from 5 vol % to 20 vol %, and C is from (25-B) vol % to (40-B) vol %.
An electronic component comprising a multilayer body that includes a plurality of internal electrode layers and an insulating layer between the internal electrode layers in a stacking direction,
- wherein side gap portions are positioned between respective side surfaces of the multilayer body that are parallel to the stacking direction and the plurality of internal electrode layers,
- the side gap portions contain glass, a first inorganic filler, and a second inorganic filler,
- the side gap portions have an average thickness of from 5 μm to 30 μm,
- the first inorganic filler has a refractive index of 1.7 or higher,
- the second inorganic filler has a refractive index of 1.55 or lower, and
- when an amount of the glass is denoted as A, an amount of the first inorganic filler is denoted as B, and an amount of the second inorganic filler is denoted as C in a predetermined cross section of the side gap portion, an area ratio between A and B and C satisfies the following conditions:
- A+B+C=100, B is from 5 vol % to 20 vol %, and C is from (25-B) vol % to (40-B) vol %.
Dependencies are inferred from the claim text.