JP7432925B2 - 圧力監視装置、樹脂封止装置、及び圧力監視方法 - Google Patents
圧力監視装置、樹脂封止装置、及び圧力監視方法 Download PDFInfo
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- 239000011347 resin Substances 0.000 title claims description 68
- 229920005989 resin Polymers 0.000 title claims description 68
- 238000012544 monitoring process Methods 0.000 title claims description 59
- 238000007789 sealing Methods 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 21
- 238000012806 monitoring device Methods 0.000 title claims description 20
- 238000001179 sorption measurement Methods 0.000 claims description 89
- 238000007872 degassing Methods 0.000 claims description 11
- 238000013459 approach Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 description 10
- 238000000465 moulding Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 7
- 230000002950 deficient Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 230000005856 abnormality Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- 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
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/68—Release sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/84—Safety devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C2043/3602—Moulds for making articles of definite length, i.e. discrete articles with means for positioning, fastening or clamping the material to be formed or preforms inside the mould
- B29C2043/3605—Moulds for making articles of definite length, i.e. discrete articles with means for positioning, fastening or clamping the material to be formed or preforms inside the mould vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
- B29C2043/561—Compression moulding under special conditions, e.g. vacuum under vacuum conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/585—Measuring, controlling or regulating detecting defects, e.g. foreign matter between the moulds, inaccurate position, breakage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14155—Positioning or centering articles in the mould using vacuum or suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
- B29C45/14655—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components connected to or mounted on a carrier, e.g. lead frame
- B29C2045/14663—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components connected to or mounted on a carrier, e.g. lead frame the mould cavity walls being lined with a film, e.g. release film
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/76006—Pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
図1を参照しつつ、本発明の実施形態に係る樹脂封止装置1の構成について説明する。図1は、実施形態に係る樹脂封止装置の構成を概略的に示す図である。
Claims (10)
- 一方の金型及び他方の金型を有する樹脂封止金型からの排気圧を監視する、前記樹脂封止金型の圧力監視装置であって、
前記樹脂封止金型の一方の金型に設けられたキャビティにリリースフィルムを吸着させる排気孔の吸着圧を検知する吸着圧力センサと、
前記樹脂封止金型の他方の金型に設けられた前記キャビティを脱気する排気孔の脱気圧を検知する脱気圧力センサと、
前記吸着圧力センサ及び前記脱気圧力センサに接続された監視部と、
を備え、
前記監視部は、前記吸着圧及び前記脱気圧の単位期間当たりの各変化量をそれぞれ監視し、前記各変化量が増大する減圧期の後であって前記各変化量が0に漸近した均衡期において前記吸着圧及び前記脱気圧のうち少なくとも一方の単位期間当たりの変化量が所定量を超えた場合にエラーと判断する、圧力監視装置。 - 前記監視部は、前記吸着圧及び前記脱気圧のうち少なくとも一方の単位期間当たりの変化量が2回以上連続して所定量を超えた場合にエラーと判断する、
請求項1に記載の圧力監視装置。 - 前記監視部は、前記吸着圧及び前記脱気圧の少なくとも一方の圧力値が所定値を超えた場合にエラーと判断する、
請求項1又は2に記載の圧力監視装置。 - 前記監視部は、前記吸着圧及び前記脱気圧の少なくとも一方の圧力値が所定値以下において、前記吸着圧及び前記脱気圧の少なくとも一方の単位期間当たりの変化量を監視する、
請求項3に記載の圧力監視装置。 - 前記樹脂封止金型の一方の金型は上型であり、前記樹脂封止金型の他方の金型は下型である、
請求項1から4のいずれか1項に記載の圧力監視装置。 - 前記監視部は、前記キャビティの脱気中において前記吸着圧の単位期間当たりの変化量を監視する、
請求項5に記載の圧力監視装置。 - 前記監視部は、前記キャビティの脱気後において前記脱気圧の単位期間当たりの変化量を監視する、
請求項5又は6に記載の圧力監視装置。 - 請求項1から7のいずれか1項に記載の圧力監視装置と、
前記樹脂封止金型と、
前記樹脂封止金型の一方の金型に接続された吸着ポンプと、
前記樹脂封止金型の他方の金型に接続された脱気ポンプと、
前記吸着ポンプ及び前記脱気ポンプを制御する制御部と、
を備える、樹脂封止装置。 - 一方の金型及び他方の金型を有する樹脂封止金型からの排気圧を監視する、樹脂封止金型の圧力監視方法であって、
前記樹脂封止金型の一方の金型に設けられたキャビティにリリースフィルムを吸着させる排気孔の吸着圧を検知することと、
前記樹脂封止金型の他方の金型に設けられた前記キャビティ内のエアを排気する排気孔の脱気圧を検知することと、
前記吸着圧及び前記脱気圧の単位期間当たりの各変化量をそれぞれ監視し、前記各変化量が増大する減圧期の後であって前記各変化量が0に漸近した均衡期において前記吸着圧及び前記脱気圧のうち少なくとも一方の単位期間当たりの変化量が所定量を超えた場合にエラーと判断することと、
を含む、圧力監視方法。 - 前記エラーと判断することは、前記吸着圧及び前記脱気圧のうち少なくとも一方の単位期間当たりの変化量が2回以上連続して所定量を超えた場合にエラーと判断する、
請求項9に記載の圧力監視方法。
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JP2020201740A JP7432925B2 (ja) | 2020-12-04 | 2020-12-04 | 圧力監視装置、樹脂封止装置、及び圧力監視方法 |
CN202111194576.2A CN114603763A (zh) | 2020-12-04 | 2021-10-13 | 压力监视装置、树脂密封装置及压力监视方法 |
TW110138747A TWI820494B (zh) | 2020-12-04 | 2021-10-19 | 壓力監視裝置、樹脂密封裝置及壓力監視方法 |
KR1020210148847A KR102566228B1 (ko) | 2020-12-04 | 2021-11-02 | 압력감시장치, 수지밀봉장치 및 압력감시방법 |
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Citations (3)
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JP2005219297A (ja) | 2004-02-04 | 2005-08-18 | Apic Yamada Corp | 樹脂モールド方法および樹脂モールド装置 |
JP2012196870A (ja) | 2011-03-22 | 2012-10-18 | Nec Corp | 樹脂詰まり検出装置および樹脂詰まり検出方法 |
JP2018051841A (ja) | 2016-09-27 | 2018-04-05 | アピックヤマダ株式会社 | 樹脂成形方法、フィルム搬送装置および樹脂成形装置 |
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JPH01162341A (ja) * | 1987-12-18 | 1989-06-26 | Mitsubishi Electric Corp | 半導体樹脂封止装置 |
JP3221380B2 (ja) * | 1997-12-02 | 2001-10-22 | 日本電気株式会社 | 半導体装置の樹脂封止装置及びその不良検出方法 |
JP2000299334A (ja) * | 1999-04-14 | 2000-10-24 | Apic Yamada Corp | 樹脂封止装置 |
JP4081705B2 (ja) * | 2000-09-29 | 2008-04-30 | 富士電機ホールディングス株式会社 | 電子部品の樹脂封止装置 |
JP4174263B2 (ja) * | 2002-08-12 | 2008-10-29 | アピックヤマダ株式会社 | 樹脂モールド方法 |
SG191479A1 (en) * | 2011-12-27 | 2013-07-31 | Apic Yamada Corp | Method for resin molding and resin molding apparatus |
JP6143711B2 (ja) * | 2014-06-02 | 2017-06-07 | Towa株式会社 | 半導体圧縮樹脂封止方法及び半導体圧縮樹脂封止装置 |
JP6079925B1 (ja) * | 2016-03-30 | 2017-02-15 | 第一精工株式会社 | 樹脂封止装置及び樹脂封止装置の異常検知方法 |
JP7068148B2 (ja) * | 2018-12-05 | 2022-05-16 | Towa株式会社 | 樹脂成形装置、及び樹脂成形品の製造方法 |
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JP2012196870A (ja) | 2011-03-22 | 2012-10-18 | Nec Corp | 樹脂詰まり検出装置および樹脂詰まり検出方法 |
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