JP2019166522A - 流体吐出装置および流体吐出方法 - Google Patents
流体吐出装置および流体吐出方法 Download PDFInfo
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- 239000012530 fluid Substances 0.000 title claims abstract description 182
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 229910000679 solder Inorganic materials 0.000 claims description 48
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
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- 238000013459 approach Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000007924 injection Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
Description
まず、流体塗布装置のヘッド部1の構成を説明する。図3が本発明によるヘッド部1の詳細を示す図である。ヘッド部1は、溶融はんだ等を収容可能な流体タンク2と、下端に設けた吐出ヘッド3と、を備える。溶融はんだなど温度コントロールが必要な流体に用いるときは、流体タンク2の腹部にヒータ4を巻き付けるなど、加熱手段を取り付けることもできる。吐出ヘッド3には、ヘッド下端に設けた流体吐出ノズル5と吸引口6とを有し、吸引口6は流体吐出ノズル5よりも進行方向に向かって先に吸引工程が実施できるように取り付けられている。流体吐出ノズル5及び吸引口6にも温度コントロールが必要な流体に用いるときは、吐出ヘッド3下端にもヒータ4を取り付けることが可能となる。
以下、本発明の第2実施形態について、第1実施形態と異なる点を中心に説明する。第2の実施形態の構成のうち、特に断らない点については、第1実施形態と同じである。
以下、本発明の第3実施形態について説明する。図3は、第3実施形態による流体塗布装置の一例としてのはんだバンプ形成装置の概略構成を示す模式図である。はんだバンプ形成装置は、電子部品のワーク7(例えば、シリコンウエハやプリント基板等)上に流体9(ここでは、溶融はんだ)を塗布して、はんだバンプを形成する装置である。図3に示すように、はんだバンプ形成装置は、吐出ヘッド部1と、圧力供給手段11と、圧力発生源14と、マイクロエジェクタ16と、圧力発生源19と、流体供給装置22と、を備えている。また、はんだバンプ形成装置は、ステージ30〜32を備えている(図12参照)。これらの詳細については後述する。
2…流体タンク
3,3a,3b,3c…吐出ヘッド
4…ヒータ
5…吐出ノズル
6…吸引口
7…ワーク
8…マスク
9…流体
10…延長管路
11…圧力供給手段
12…吸引管延長管路
13…減圧供給手段
14…圧力発生源
16…マイクロエジェクタ
18…絞り弁
19…圧力発生源
22…流体供給装置
30…第1のステージステージ
31,32…第2のステージ
Claims (4)
- 電子部品の円形のワーク上のマスク中に流体を塗布するための流体吐出方法であって、前記流体を収容可能な、第1のヒータが設置されたタンクと、吐出ヘッドと、からなる、前記ワークの直径より短い長手方向幅のヘッド部を有し、前記吐出ヘッドには、該吐出ヘッドの進行方向の前方に、前記ワーク上のマスクの内容物を吸引するための吸引口が形成されるとともに、前記進行方向の後方に、流体を吐出するための吐出ノズルが形成されており、前記吐出ノズルの下端に第2のヒータが設置されている流体吐出装置を用い、ワークに対して前記吐出ヘッドを往復することで前記吸引口から前記マスク内の空気または流体を吸引した後、前記吐出ノズルから前記流体の吐出を行う、流体の吐出方法。
- 請求項1に記載の流体吐出方法において、前記吐出ヘッドには、前記吐出ノズルおよび前記吸引口の形状としてスリット状の開口部を有する流体吐出方法。
- 請求項1に記載の流体吐出方法において、前記吐出ヘッドには、前記吐出ノズルを挟んで吸引口が両側に配置されている流体吐出方法。
- 電子部品の円形のシリコンウエハ上のマスク中に溶融はんだを塗布することによってはんだバンプを形成するためのはんだバンプ形成装置であって、
前記溶融はんだを収容可能なタンクと吐出ヘッドからなる、前記シリコンウエハの直径より短い長手方向幅のヘッド部を備え、
前記吐出ヘッドには、前記溶融はんだを吐出するための吐出ノズルと、該吐出ノズルの近傍において前記吐出ノズルの両側に配置された吸引口であって、前記シリコンウエハ上のマスクの内容物を吸引するためのスリット状の開口部を有する吸引口と、が形成され、
前記吐出ヘッドは、前記吸引口から吸引することによって前記マスクの開口部の空気を減圧した後に前記吐出ノズルから前記溶融はんだを吐出するように前記マスク上を移動するように構成された
はんだバンプ形成装置。
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