JP5636719B2 - 成形体製造装置および成形体の製造方法 - Google Patents
成形体製造装置および成形体の製造方法 Download PDFInfo
- Publication number
- JP5636719B2 JP5636719B2 JP2010078896A JP2010078896A JP5636719B2 JP 5636719 B2 JP5636719 B2 JP 5636719B2 JP 2010078896 A JP2010078896 A JP 2010078896A JP 2010078896 A JP2010078896 A JP 2010078896A JP 5636719 B2 JP5636719 B2 JP 5636719B2
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- Prior art keywords
- molded body
- manufacturing apparatus
- flow path
- constituting
- inner peripheral
- Prior art date
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Images
Classifications
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- B29C43/06—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable in one direction, e.g. mounted on chains, belts
- B29C43/08—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable in one direction, e.g. mounted on chains, belts with circular movement, e.g. mounted on rolls, turntables
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- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
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- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
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- H01L2224/484—Connecting portions
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Description
(1) 成形材料である樹脂組成物を圧縮成形することにより成形体を製造する成形体製造装置であって、
前記樹脂組成物が供給され、上下方向に開口するキャビティを有する成形型が少なくとも1つ装着され、鉛直軸回りに回転可能な板状をなす装置本体と、
前記装置本体が所定角度回転した第1の位置で前記キャビティ内に前記樹脂組成物を供給する際、その供給される樹脂組成物が通過する流路を構成する管状をなす第1の流路部材と、
前記装置本体が前記第1の位置から所定角度回転した第2の位置で前記キャビティ内にその上側から挿入され、該キャビティ内の前記樹脂組成物を圧縮する上パンチ面を有する上側圧縮部材と、
前記第2の位置で前記キャビティ内にその下側から挿入され、該キャビティ内の前記樹脂組成物を前記上パンチ面とともに圧縮する下パンチ面を有する下側圧縮部材と、
前記装置本体が前記第2の位置から所定角度回転した第3の位置で、前記樹脂組成物が圧縮成形された前記成形体を離型し、該離型した成形体が前記キャビティ内から排出された際、その排出された成形体が通過する流路を構成する管状をなす第2の流路部材とを備え、
前記装置本体の上面と、前記キャビティを画成する壁面と、前記第1の流路部材の内周面と、前記第2の流路部材の内周面と、前記上パンチ面と、前記下パンチ面とは、非金属で構成され、コーティングにより形成されたコーティング膜で構成されており、
前記上パンチ面を構成する前記コーティング膜および前記下パンチ面を構成する前記コーティング膜は、前記装置本体の上面を構成する前記コーティング膜、前記壁面を構成する前記コーティング膜、前記第1の流路部材の内周面を構成する前記コーティング膜および前記第2の流路部材の内周面を構成する前記コーティング膜よりも厚いことを特徴とする成形体製造装置。
(7) 前記第1の流路部材の内周面を構成する前記非金属と、前記第2の流路部材の内周面を構成する前記非金属とは、異なるものである上記(1)ないし(5)のいずれかに記載の成形体製造装置。
(8) 前記第1の流路部材の内周面を構成する前記非金属は、セラミックスであり、前記第2の流路部材の内周面を構成する前記非金属は、樹脂材料である上記(7)に記載の成形体製造装置。
(9) 前記壁面を構成する前記非金属、前記上パンチ面を構成する前記非金属および前記下パンチ面を構成する前記非金属は、セラミックスである上記(1)ないし(8)のいずれかに記載の成形体製造装置。
まず、樹脂組成物の原材料である各材料を用意する。
カップリング剤としては、例えば、シラン化合物等が挙げられる。
図1に示すように、原材料のうちの所定の材料については、まず、連続式回転ボールミル等の粉砕装置により、所定の粒度分布となるように粉砕(微粉砕)する。この粉砕する原材料としては、例えば、樹脂、硬化剤、促進剤等の充填材以外の原材料であるが、充填材の一部を加えることもできる。
原材料のうちの所定の材料、例えば、充填材の全部または一部(残部)については、表面処理を施すことができる。この表面処理としては、例えば、充填材の表面にカップリング剤等を付着させる。なお、前記微粉砕と表面処理とは、同時に行ってもよく、また、いずれか一方を先に行ってもよい。
次に、混合装置により、前記各材料を完全に混合する。この混合装置としては、例えば、回転羽根を有する高速混合機等を用いることができる。
次に、混練装置により、前記混合された材料を混練する。この混練装置としては、例えば、1軸型混練押出機、2軸型混練押出機等の押出混練機やミキシングロール等のロール式混練機を用いることができる。
次に、前記混練された材料である混練物(樹脂組成物)に対し脱気を行う。この脱気は、例えば混練装置の前記混練された材料を排出する排出口に接続された真空ポンプによって行うことができる。
次に、前記脱気された塊状の混練物を、成形装置でシート状に成形し、シート状の材料(シート材)を得る。この成形装置としては、例えば、一対のローラを有し、これらのローラ間で混練物を加圧してシート状に成形する装置を用いることができる。
次に、冷却装置により、前記シート状の材料を冷却する。これにより、材料の粉砕を容易かつ確実に行うことができる。
次に、粉砕装置により、前記シート材を所定の粒度分布となるように粉砕し、粉末状の材料(以下「粉体Q1」と言う)を得る。この粉砕装置としては、例えば、ハンマー式粉砕機、ナイフ式粉砕機、ピンミル等を用いることができる。
次に、成形体製造装置1を用いることにより、多量の粉体Q1を圧縮成形して成形体Q2を容易かつ確実に得る。
図2に示す成形体製造装置1は、本発明の成形体の製造方法を実行する、すなわち、成形材料である粉体Q1(樹脂組成物)を圧縮成形することにより成形体Q2を製造する際に用いられる装置である。
・装置本体2の上面23
・成形型3の内周面32
・上側圧縮部材5の上パンチ面52
・下側圧縮部材6の下パンチ面62
・第1の流路部材4の内周面43
・第2の流路部材7の内周面71
2 装置本体
21 中心軸
22 装着部
23 上面
24 コーティング膜
3、3a1、3a2、3a3 成形型
31 キャビティ
32 内周面(壁面)
33 コーティング膜
4 第1の流路部材
41 排出口
42 傾斜部
43 内周面
44 コーティング膜
5 上側圧縮部材
51 挿入部
52 上パンチ面(圧縮面)
53 コーティング膜
6 下側圧縮部材
61 挿入部
62 下パンチ面(圧縮面)
63 コーティング膜
7 第2の流路部材
71 内周面
72 コーティング膜
10 接触部
900 半導体パッケージ(ICパッケージ)
901 半導体チップ(ICチップ)
902 モールド部
903 リードフレーム
904 ワイヤ
Q1 粉体
Q1’ 余分な部分
Q2 成形体
Claims (17)
- 成形材料である樹脂組成物を圧縮成形することにより成形体を製造する成形体製造装置であって、
前記樹脂組成物が供給され、上下方向に開口するキャビティを有する成形型が少なくとも1つ装着され、鉛直軸回りに回転可能な板状をなす装置本体と、
前記装置本体が所定角度回転した第1の位置で前記キャビティ内に前記樹脂組成物を供給する際、その供給される樹脂組成物が通過する流路を構成する管状をなす第1の流路部材と、
前記装置本体が前記第1の位置から所定角度回転した第2の位置で前記キャビティ内にその上側から挿入され、該キャビティ内の前記樹脂組成物を圧縮する上パンチ面を有する上側圧縮部材と、
前記第2の位置で前記キャビティ内にその下側から挿入され、該キャビティ内の前記樹脂組成物を前記上パンチ面とともに圧縮する下パンチ面を有する下側圧縮部材と、
前記装置本体が前記第2の位置から所定角度回転した第3の位置で、前記樹脂組成物が圧縮成形された前記成形体を離型し、該離型した成形体が前記キャビティ内から排出された際、その排出された成形体が通過する流路を構成する管状をなす第2の流路部材とを備え、
前記装置本体の上面と、前記キャビティを画成する壁面と、前記第1の流路部材の内周面と、前記第2の流路部材の内周面と、前記上パンチ面と、前記下パンチ面とは、非金属で構成され、コーティングにより形成されたコーティング膜で構成されており、
前記上パンチ面を構成する前記コーティング膜および前記下パンチ面を構成する前記コーティング膜は、前記装置本体の上面を構成する前記コーティング膜、前記壁面を構成する前記コーティング膜、前記第1の流路部材の内周面を構成する前記コーティング膜および前記第2の流路部材の内周面を構成する前記コーティング膜よりも厚いことを特徴とする成形体製造装置。 - 前記非金属は、セラミックスまたは樹脂材料である請求項1に記載の成形体製造装置。
- 前記セラミックスは、酸化物系セラミックスを含むものである請求項2に記載の成形体製造装置。
- 前記非金属は、500gfの荷重で測定されるそのビッカース硬度Hv(JIS Z 2244に規定)が1300以上のものである請求項1ないし3のいずれかに記載の成形体製造装置。
- 前記装置本体の上面と、前記壁面と、前記上パンチ面と、前記下パンチ面とをそれぞれ構成する前記非金属は、同じものである請求項1ないし4のいずれかに記載の成形体製造装置。
- 前記第1の流路部材の内周面を構成する前記非金属と、前記第2の流路部材の内周面を構成する前記非金属とは、同じものである請求項1ないし5のいずれかに記載の成形体製造装置。
- 前記第1の流路部材の内周面を構成する前記非金属と、前記第2の流路部材の内周面を構成する前記非金属とは、異なるものである請求項1ないし5のいずれかに記載の成形体製造装置。
- 前記第1の流路部材の内周面を構成する前記非金属は、セラミックスであり、前記第2の流路部材の内周面を構成する前記非金属は、樹脂材料である請求項7に記載の成形体製造装置。
- 前記壁面を構成する前記非金属、前記上パンチ面を構成する前記非金属および前記下パンチ面を構成する前記非金属は、セラミックスである請求項1ないし8のいずれかに記載の成形体製造装置。
- 前記コーティング膜の厚さは、0.2〜1mmである請求項1ないし9のいずれかに記載の成形体製造装置。
- 前記キャビティは、その形状が円柱状をなすものである請求項1ないし10のいずれかに記載の成形体製造装置。
- 前記上パンチ面と前記下パンチ面とは、それぞれ、平面または湾曲凹面で構成されている請求項1ないし11のいずれかに記載の成形体製造装置。
- 前記第1の流路部材の内周面と、前記第2の流路部材の内周面とは、それぞれ、その少なくとも一部が下方に向かって傾斜している請求項1ないし12のいずれかに記載の成形体製造装置。
- 前記キャビティを画成する壁面と、前記上パンチ面と、前記下パンチ面とには、それぞれ、予め離型剤が塗布されている請求項1ないし13のいずれかに記載の成形体製造装置。
- 前記樹脂組成物は、粉状をなすものである請求項1ないし14のいずれかに記載の成形体製造装置。
- 前記成形体は、ICパッケージの外装部を構成するモールド部となるものである請求項1ないし15のいずれかに記載の成形体製造装置。
- 請求項1ないし16のいずれかに記載の成形体製造装置を用いて、成形材料である樹脂組成物を圧縮成形して成形体を製造することを特徴とする成形体の製造方法。
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2010
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2011
- 2011-03-01 CN CN201180013982.2A patent/CN102802929B/zh active Active
- 2011-03-01 KR KR1020127023259A patent/KR101755060B1/ko not_active Application Discontinuation
- 2011-03-01 SG SG2012071551A patent/SG184285A1/en unknown
- 2011-03-01 WO PCT/JP2011/054587 patent/WO2011122202A1/ja active Application Filing
- 2011-03-01 US US13/637,032 patent/US8845942B2/en active Active
- 2011-03-14 TW TW100108523A patent/TWI505379B/zh active
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WO2011122202A1 (ja) | 2011-10-06 |
US8845942B2 (en) | 2014-09-30 |
TW201145414A (en) | 2011-12-16 |
KR20130018680A (ko) | 2013-02-25 |
SG184285A1 (en) | 2012-10-30 |
CN102802929A (zh) | 2012-11-28 |
KR101755060B1 (ko) | 2017-07-06 |
CN102802929B (zh) | 2015-04-22 |
JP2011206839A (ja) | 2011-10-20 |
TWI505379B (zh) | 2015-10-21 |
US20130015607A1 (en) | 2013-01-17 |
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