JPWO2022044859A5 - - Google Patents
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- JPWO2022044859A5 JPWO2022044859A5 JP2022539071A JP2022539071A JPWO2022044859A5 JP WO2022044859 A5 JPWO2022044859 A5 JP WO2022044859A5 JP 2022539071 A JP2022539071 A JP 2022539071A JP 2022539071 A JP2022539071 A JP 2022539071A JP WO2022044859 A5 JPWO2022044859 A5 JP WO2022044859A5
- Authority
- JP
- Japan
- Prior art keywords
- roll
- cutter
- cut
- shaft
- sintered body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000919 ceramic Substances 0.000 claims 11
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000010304 firing Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000005498 polishing Methods 0.000 claims 1
Claims (7)
少なくとも一つの前記第２ロールから前記カッターで切断された第１セラミックグリーンシートを巻き出して、巻き出し方向と直交する方向に沿って切断し、第２セラミックグリーンシートを得る第２切断工程と、
前記第２セラミックグリーンシートを焼成してセラミック焼結体を得る焼成工程と、を有し、
前記第１切断工程では、前記カッターを回転させずに前記第１ロールを回転させながら前記第１ロールを切断する、セラミック焼結体の製造方法。 A cut is made with a cutter from the outer peripheral surface of the first roll around which the first ceramic green sheet is wound toward the shaft body that rotatably supports the first roll to cut the first roll, and the first roll is cut. a first cutting step to obtain a second roll that is also shorter;
a second cutting step of unwinding the first ceramic green sheets cut by the cutter from at least one of the second rolls and cutting them in a direction orthogonal to the unwinding direction to obtain second ceramic green sheets;
a firing step of firing the second ceramic green sheet to obtain a ceramic sintered body ,
In the first cutting step, the first roll is cut while rotating the first roll without rotating the cutter .
前記第１切断工程では、前記第１ロールに対し前記軸体の軸方向に沿って相対的に移動する前記カッターを用いて前記第１ロールに複数の切断面を形成し、３つ以上の前記第２ロールを得る、請求項１に記載のセラミック焼結体の製造方法。 The cutter is double-edged,
In the first cutting step, a plurality of cut surfaces are formed on the first roll using the cutter that moves relatively along the axial direction of the shaft with respect to the first roll, and three or more of the cut surfaces are formed. 2. The method for producing a ceramic sintered body according to claim 1, wherein the second roll is obtained.
前記第１側面と前記第２側面の算術平均粗さ（Ｒａ）が１～９μｍであり、The arithmetic average roughness (Ra) of the first side surface and the second side surface is 1 to 9 μm,
前記第１側面と前記第２側面の算術平均粗さ（Ｒａ）の差の絶対値が、５μｍ未満である、請求項１～３のいずれか一項に記載のセラミック焼結体の製造方法。The method for producing a ceramic sintered body according to any one of claims 1 to 3, wherein the absolute value of the difference in arithmetic mean roughness (Ra) between said first side surface and said second side surface is less than 5 µm.
前記第１側面と前記第２側面の算術平均粗さ（Ｒａ）が１～９μｍであり、
前記第１側面と前記第２側面の算術平均粗さ（Ｒａ）の差の絶対値が、５μｍ未満である、セラミック焼結体。 having a first side and a second side parallel to each other;
The arithmetic average roughness (Ra) of the first side surface and the second side surface is 1 to 9 μm,
A ceramic sintered body, wherein the absolute value of the difference in arithmetic mean roughness (Ra) between the first side surface and the second side surface is less than 5 μm.
前記第１ロールの外周面から前記軸体に向かって切り込みを入れて前記第１ロールを切断し、前記第１ロールよりも短い第２ロールを得るカッターと、
前記軸体と前記カッターとの間隔を調節する調節部と、を備え、
前記カッターを回転させずに前記第１ロールを回転させながら前記第１ロールを切断するように構成される切断装置。 a shaft that rotatably supports the first roll around which the first ceramic green sheet is wound;
a cutter that cuts the first roll from the outer peripheral surface of the first roll toward the shaft to obtain a second roll that is shorter than the first roll;
an adjustment unit that adjusts the distance between the shaft and the cutter ,
A cutting device configured to cut the first roll while rotating the first roll without rotating the cutter .
前記カッターを、前記軸体の軸方向に沿って前記第１ロールに対し相対的に移動する移動機構を備える、請求項６に記載の切断装置。 The cutter is double-edged,
7. The cutting device according to claim 6, further comprising a moving mechanism for moving said cutter relative to said first roll along the axial direction of said shaft.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020141695 | 2020-08-25 | ||
| JP2020141695 | 2020-08-25 | ||
| PCT/JP2021/029841 WO2022044859A1 (en) | 2020-08-25 | 2021-08-13 | Ceramic sintered body, method for producing same, and cutting device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022044859A1 JPWO2022044859A1 (en) | 2022-03-03 |
| JPWO2022044859A5 true JPWO2022044859A5 (en) | 2022-09-09 |
| JP7180037B2 JP7180037B2 (en) | 2022-11-29 |
Family
ID=80355111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022539071A Active JP7180037B2 (en) | 2020-08-25 | 2021-08-13 | Ceramic sintered body manufacturing method and cutting device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7180037B2 (en) |
| WO (1) | WO2022044859A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61189907A (en) * | 1985-02-19 | 1986-08-23 | 初鹿野 清 | Method of cutting ceramic small piece |
| JPH01304906A (en) * | 1988-06-02 | 1989-12-08 | Nec Corp | Green sheet cutter |
| JPH0724725A (en) * | 1993-07-07 | 1995-01-27 | Murata Mfg Co Ltd | Dicing saw and dicing blade |
| JP4869002B2 (en) | 2006-09-26 | 2012-02-01 | 株式会社東芝 | Method for manufacturing ceramic substrate and method for manufacturing ceramic circuit board |
| CN104684700B (en) | 2012-09-28 | 2016-11-02 | 联合材料公司 | There is the raw cook cutting knife of flat bladed cutting knife |
-
2021
- 2021-08-13 WO PCT/JP2021/029841 patent/WO2022044859A1/en active Application Filing
- 2021-08-13 JP JP2022539071A patent/JP7180037B2/en active Active
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