JP6032464B2 - 積層体の切断方法 - Google Patents
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- JP6032464B2 JP6032464B2 JP2012110813A JP2012110813A JP6032464B2 JP 6032464 B2 JP6032464 B2 JP 6032464B2 JP 2012110813 A JP2012110813 A JP 2012110813A JP 2012110813 A JP2012110813 A JP 2012110813A JP 6032464 B2 JP6032464 B2 JP 6032464B2
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Images
Classifications
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- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/1099—After-treatment of the layered product, e.g. cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
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Description
図1は、本発明の第1実施形態に係る積層体の切断方法を体現するための切断装置を示す図である。この切断装置は、積層体1をレーザー溶断するものであって、レーザーLBを照射するレーザー照射装置5と、積層体1を支持する支持ステージ8とを備えている。なお、この実施形態では、積層体1に対してレーザーLBを上方から照射する。すなわち、積層体1において、上面がレーザーLBの入射側、下面がレーザーLBの反入射側となる。
積層体をレーザー溶断により切断する場合、溶断により発生したガラス及び樹脂の溶融異物が発生し、この溶融異物が積層体のガラス板の表面に付着し、ガラス板の表面が汚染されるおそれがある。汚染された場合、事後的に洗浄によってガラス板の表面から溶融異物を除去することも考えられるが、ガラス板の表面から溶融異物を完全に除去することは困難である。
また、積層体をレーザー溶断により切断し、製品部と非製品部に分離する場合、製品部を構成するガラス板の切断端面にマイクロクラック等の微小欠陥が形成される場合があった。このような不具合は、特に、厚みが数百μm以下程度にまで薄板化されたガラス板を含む積層体をレーザー溶断した際には、微小欠陥の形成頻度が一層増大した。そこで、本願発明者等は鋭意研究を重ね、その結果、レーザー溶断の実行中における積層体の支持態様が適当でない場合、特に、積層体のうち製品部(となる領域)よりも非製品部(となる領域)の方が僅かなりとも高位置にある場合に、製品部の切断端面に微小欠陥が形成され易いことが判明した、その概要を図5に基づいて説明する。
2 樹脂板
3 接着層
4 ガラス板
5 レーザー照射装置
6 レンズ
7 アシストガス噴射ノズル
8 支持ステージ
9 保護テープ
FP レーザーの焦点
Claims (3)
- 樹脂板の両面にガラス板を積層一体化してなり、且つ、第1の表面と第2の表面を有する積層体の切断予定部に対して、前記第1の表面側からレーザーを照射して前記切断予定部をレーザー溶断する積層体の切断方法であって、
前記積層体の前記樹脂板中に前記レーザーの焦点を合わせ、且つ、前記第1の表面から前記焦点までの板厚方向の距離を、前記積層体の総板厚の60%以上80%以下の範囲内に設定するとともに、
前記第1の表面側から前記切断予定部にアシストガスを噴射して、前記レーザーの照射に伴って前記切断予定部に生じる溶融物を吹き飛ばすことを特徴とする積層体の切断方法。 - 前記レーザーの出力を、前記レーザーの走査速度で除算した値を、0.001〜1W・分/mmに設定することを特徴とする請求項1に記載の積層体の切断方法。
- 前記樹脂板の板厚が20mm以下であって、前記ガラス板の板厚が300μm以下であり、且つ、前記樹脂板が前記ガラス板よりも厚いことを特徴とする請求項1又は2に記載の積層体の切断方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012110813A JP6032464B2 (ja) | 2011-05-13 | 2012-05-14 | 積層体の切断方法 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011108458 | 2011-05-13 | ||
| JP2011108458 | 2011-05-13 | ||
| JP2012110813A JP6032464B2 (ja) | 2011-05-13 | 2012-05-14 | 積層体の切断方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012254627A JP2012254627A (ja) | 2012-12-27 |
| JP6032464B2 true JP6032464B2 (ja) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2012110811A Active JP5904457B2 (ja) | 2011-05-13 | 2012-05-14 | 積層体 |
| JP2012110812A Active JP6016067B2 (ja) | 2011-05-13 | 2012-05-14 | 積層体 |
| JP2012110810A Active JP5904456B2 (ja) | 2011-05-13 | 2012-05-14 | 積層体 |
| JP2012110813A Active JP6032464B2 (ja) | 2011-05-13 | 2012-05-14 | 積層体の切断方法 |
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| JP2012110811A Active JP5904457B2 (ja) | 2011-05-13 | 2012-05-14 | 積層体 |
| JP2012110812A Active JP6016067B2 (ja) | 2011-05-13 | 2012-05-14 | 積層体 |
| JP2012110810A Active JP5904456B2 (ja) | 2011-05-13 | 2012-05-14 | 積層体 |
Country Status (1)
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| JP (4) | JP5904457B2 (ja) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5849492B2 (ja) * | 2011-07-25 | 2016-01-27 | 大日本印刷株式会社 | ガラスフィルム積層体の製造方法 |
| JP5811660B2 (ja) * | 2011-07-25 | 2015-11-11 | 大日本印刷株式会社 | ガラスフィルム積層体及びその製造方法 |
| JP5920665B2 (ja) * | 2012-11-06 | 2016-05-18 | 日本電気硝子株式会社 | ガラスフィルム積層体の切断方法 |
| JP6079249B2 (ja) * | 2013-01-16 | 2017-02-15 | 日本電気硝子株式会社 | ガラス板−樹脂板積層体 |
| JP5995097B2 (ja) * | 2013-04-30 | 2016-09-21 | 日本電気硝子株式会社 | 複合板の切断方法 |
| KR101666029B1 (ko) * | 2013-07-10 | 2016-10-13 | 박재일 | 상온 분위기에서의 가열에 의한 패널 기재의 가공방법 및 가공장치 |
| JP6313035B2 (ja) * | 2013-09-24 | 2018-04-18 | 東芝ライフスタイル株式会社 | 冷蔵庫 |
| JP2015099588A (ja) * | 2013-10-18 | 2015-05-28 | 日本電気硝子株式会社 | タッチパネル及び表示装置付タッチパネル |
| WO2015072259A1 (ja) * | 2013-11-14 | 2015-05-21 | 三菱電機株式会社 | レーザ加工方法およびレーザ加工装置 |
| EA032743B1 (ru) * | 2014-03-04 | 2019-07-31 | Сэн-Гобэн Гласс Франс | Способ резки ламинированного сверхтонкого стеклянного слоя |
| WO2015178358A1 (ja) * | 2014-05-23 | 2015-11-26 | 日本電気硝子株式会社 | パネルの製造方法 |
| JP2016031396A (ja) * | 2014-07-28 | 2016-03-07 | 日本電気硝子株式会社 | 自立型表示装置 |
| CN107001136B (zh) * | 2015-03-09 | 2020-12-01 | 日本电气硝子株式会社 | 层叠体及其制造方法 |
| JP6638514B2 (ja) * | 2015-03-31 | 2020-01-29 | 日本電気硝子株式会社 | 脆性基板の切断方法 |
| FR3053922B1 (fr) * | 2016-07-12 | 2020-09-25 | Saint Gobain | Vitrage feuillete a verre interieur tres mince en retrait |
| JP2018060988A (ja) * | 2016-10-04 | 2018-04-12 | 日本特殊陶業株式会社 | 蓋部材、発光装置、およびこれらの製造方法 |
| WO2018194074A1 (ja) * | 2017-04-21 | 2018-10-25 | Agc株式会社 | 積層体及びその製造方法 |
| JP6869486B2 (ja) * | 2017-06-29 | 2021-05-12 | 日本電気硝子株式会社 | ガラス樹脂積層体の製造方法 |
| JP7029912B2 (ja) * | 2017-09-21 | 2022-03-04 | 日東電工株式会社 | 薄ガラス積層体 |
| JP6993614B2 (ja) * | 2018-05-17 | 2022-01-13 | 日本電気硝子株式会社 | ガラス樹脂積層体の製造方法 |
| WO2019235160A1 (ja) * | 2018-06-04 | 2019-12-12 | 株式会社カネカ | ガラス積層体、その製造方法、及びそれを用いた表示装置の前面板 |
| WO2020044061A1 (en) * | 2018-08-31 | 2020-03-05 | Pilkington Group Limited | Laminated glazing |
| WO2020095415A1 (ja) * | 2018-11-08 | 2020-05-14 | 日東電工株式会社 | 薄ガラス積層体 |
| JP7151551B2 (ja) * | 2019-02-28 | 2022-10-12 | Agc株式会社 | カバーガラスの製造方法、カバーガラスおよび表示装置 |
| JP2021018524A (ja) * | 2019-07-18 | 2021-02-15 | 住友化学株式会社 | 光学積層体およびその製造方法 |
| JP7492190B2 (ja) * | 2020-01-16 | 2024-05-29 | 日本電気硝子株式会社 | 積層体の製造方法 |
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