JP7528042B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7528042B2 JP7528042B2 JP2021152689A JP2021152689A JP7528042B2 JP 7528042 B2 JP7528042 B2 JP 7528042B2 JP 2021152689 A JP2021152689 A JP 2021152689A JP 2021152689 A JP2021152689 A JP 2021152689A JP 7528042 B2 JP7528042 B2 JP 7528042B2
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- 239000004065 semiconductor Substances 0.000 title claims description 150
- 229920005989 resin Polymers 0.000 claims description 131
- 239000011347 resin Substances 0.000 claims description 131
- 238000007789 sealing Methods 0.000 claims description 61
- 239000010954 inorganic particle Substances 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 15
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000001721 transfer moulding Methods 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
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- B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
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Description
第1の実施形態の半導体装置は、ダイパッドと、ダイパッド上に固定された半導体チップと、半導体チップとダイパッドの少なくとも一部を覆う封止樹脂であって、第1の側面と、第1の側面と第1の方向に対向する第2の側面を有し、下面と、下面と第2の方向に対向する上面を有し、第1の側面の側に設けられた少なくとも一つの第1の突起部を有し、第2の側面の側に設けられた少なくとも一つの第2の突起部を有し、第1の方向に垂直な断面における少なくとも一つの第1の突起部の断面積は、第1の方向に垂直な断面における封止樹脂の最大断面積の10%以上であり、第1の方向に垂直な断面における少なくとも一つの第2の突起部の断面積は、最大断面積の10%以上であり、最大断面積は6mm2以上である封止樹脂と、を備える。
第2の実施形態の半導体装置は、少なくとも一つの第1の突起部の第1の方向に垂直な断面における形状は、第2の方向に対向する辺を上底及び下底とする台形形状であり、少なくとも一つの第2の突起部の第1の方向に垂直な断面における形状は、第2の方向に対向する辺を上底及び下底とする台形形状である点で、第1の実施形態の半導体装置と異なる。以下、第1の実施形態と重複する内容については、一部記述を省略する。
第3の実施形態の半導体装置は、封止樹脂は、無機物粒子を含み、少なくとも一つの第1の突起部の第2の方向の長さは無機物粒子の平均粒径の2倍以上であり、少なくとも一つの第2の突起部の第2の方向の長さは無機物粒子の平均粒径の2倍以上である点で、第1の実施形態の半導体装置と異なる。以下、第1の実施形態と重複する内容については、一部記述を省略する。
第4の実施形態の半導体装置は、少なくとも一つの第1の突起部は2個以上であり、少なくとも一つの第2の突起部は2個以上である点で、第1の実施形態の半導体装置と異なる。以下、第1の実施形態と重複する内容については、一部記述を省略する。
12 ダイパッド
14 リード部
16 ボンディングワイヤ
18 封止樹脂
18a 第1の突起部
18a1 第1の突起部
18a2 第1の突起部
18b 第2の突起部
18b1 第2の突起部
18b2 第2の突起部
18p 無機物粒子
100 半導体パッケージ(半導体装置)
200 半導体パッケージ(半導体装置)
300 半導体パッケージ(半導体装置)
400 半導体パッケージ(半導体装置)
bf 下面
sf1 第1の側面
sf2 第2の側面
tf 上面
Claims (8)
- ダイパッドと、
前記ダイパッド上に固定された半導体チップと、
前記半導体チップと前記ダイパッドの少なくとも一部を覆う封止樹脂(18)であって、
第1の側面と、前記第1の側面と第1の方向に対向する第2の側面を有し、
下面と、前記下面と第2の方向に対向する上面を有し、
前記第1の側面の側に設けられた少なくとも一つの第1の突起部(18a)を有し、
前記第2の側面の側に設けられた少なくとも一つの第2の突起部(18b)を有し、
前記第1の方向に垂直な断面における前記少なくとも一つの前記第1の突起部の断面積は、前記第1の方向に垂直な断面における前記封止樹脂の最大断面積の10%以上であり、
前記第1の方向に垂直な断面における前記少なくとも一つの前記第2の突起部の断面積は、前記最大断面積の10%以上であり、
前記最大断面積は6mm2以上である封止樹脂と、
を備える半導体装置。 - 前記上面と前記下面との距離は1mm以上である請求項1記載の半導体装置。
- 前記少なくとも一つの前記第1の突起部の前記第2の方向の長さは0.1mm以上であり、前記少なくとも一つの前記第2の突起部の前記第2の方向の長さは0.1mm以上である請求項1又は請求項2記載の半導体装置。
- 前記少なくとも一つの前記第1の突起部の前記第1の方向に垂直な断面における形状は、前記第2の方向に対向する辺を上底及び下底とする台形形状であり、
前記少なくとも一つの前記第2の突起部の前記第1の方向に垂直な断面における形状は、前記第2の方向に対向する辺を上底及び下底とする台形形状である請求項1ないし請求項3いずれか一項記載の半導体装置。 - 前記封止樹脂は、無機物粒子を含み、
前記少なくとも一つの前記第1の突起部の前記第2の方向の長さは前記無機物粒子の平均粒径の2倍以上であり、
前記少なくとも一つの前記第2の突起部の前記第2の方向の長さは前記無機物粒子の平均粒径の2倍以上である請求項1ないし請求項4いずれか一項記載の半導体装置。 - 前記無機物粒子は、シリカ粒子である請求項5記載の半導体装置。
- 前記少なくとも一つの前記第1の突起部は2個以上であり、
前記少なくとも一つの前記第2の突起部は2個以上である請求項1ないし請求項6いずれか一項記載の半導体装置。 - 前記封止樹脂はエポキシ樹脂を含む請求項1ないし請求項7いずれか一項記載の半導体装置。
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JPH053267A (ja) * | 1991-06-25 | 1993-01-08 | Sony Corp | 樹脂封止半導体装置 |
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