JP2000302842A - Epoxy resin composition and apparatus for semiconductor sealing - Google Patents

Epoxy resin composition and apparatus for semiconductor sealing

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Publication number
JP2000302842A
JP2000302842A JP11026499A JP11026499A JP2000302842A JP 2000302842 A JP2000302842 A JP 2000302842A JP 11026499 A JP11026499 A JP 11026499A JP 11026499 A JP11026499 A JP 11026499A JP 2000302842 A JP2000302842 A JP 2000302842A
Authority
JP
Japan
Prior art keywords
epoxy resin
group
resin composition
inorganic filler
integer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11026499A
Other languages
Japanese (ja)
Inventor
Satoshi Sado
智 佐渡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Chemical Corp
Original Assignee
Toshiba Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Chemical Corp filed Critical Toshiba Chemical Corp
Priority to JP11026499A priority Critical patent/JP2000302842A/en
Publication of JP2000302842A publication Critical patent/JP2000302842A/en
Pending legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)
  • Epoxy Resins (AREA)
  • Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain a composition having good flowability, excellent moldability, excellent soldering heat resistance, good adhesiveness and excellent moisture resistance, giving little warpage to a package and causing no resin cracks by blending an epoxy resin, a phenol resin, an inorganic filler and a curing promoter as its essential components and specifying the content of the inorganic filler. SOLUTION: An epoxy resin of formula I (wherein R1 is CjH2j+1; R2 is CkH2k+1; R3 is ClH2l+1; R4 is CmH2m+1; (j), (k), (l) and (m) are each 0 or more; and (n) is 1 or more) is used. A phenol resin of formula II (wherein R1, R2, (j), (k), (n) are each the same with that of formula I; and (m) is 1 or more) is used. A preferable inorganic filler to be used is a silica power having an average size of not more than 30 μm. The content of the inorganic filler is 50-95 wt.% of the resin composition. A curing promoter to be used is a phosphoric curing promoter, an imidazole curing promoter, DBU curing promoter or the like. The content of the curing promoter is 0.01-5 wt.% of the resin composition.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、パッケージ反り
性、成形性、半田耐熱性に優れたエポキシ樹脂組成物お
よびその組成物によって半導体チップが封止された、薄
型や、片面封止のBGA(Ball Grid Arr
ay)型である半導体封止装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an epoxy resin composition having excellent package warpage, moldability, and soldering heat resistance, and a thin and single-sided BGA (BGA) in which a semiconductor chip is sealed by the composition. Ball Grid Arr
ay) type semiconductor sealing device.

【0002】[0002]

【従来の技術】近年、半導体集積回路の分野において、
チップの高集積化に伴う大型化、多極化が進む一方、パ
ッケージ外径寸法は、携帯情報通信機器を中心に小型、
軽量化の要求がますます強くなっている。
2. Description of the Related Art In recent years, in the field of semiconductor integrated circuits,
While the size and the number of poles are increasing due to the high integration of chips, the outer diameter of the package is
The demand for weight reduction is increasing.

【0003】このため、リードが周辺に配列されるQF
P(Quad Flat Package)では、構造
上さらなる薄型化には限界があり、かつ多電極化に伴う
狭ピッチ化が加速して、現状の電極ピッチは0.3mm
で一括リフローソルダリングにとって限界に達してい
る。
For this reason, QFs in which leads are
In P (Quad Flat Package), there is a limit to further thinning due to the structure, and the narrowing of the pitch accompanying the increase in the number of electrodes is accelerated, and the current electrode pitch is 0.3 mm.
The limit has been reached for batch reflow soldering.

【0004】そこで、リードをパッケージ下端に配置し
たQON(Quad Outline Nonlead
ed)に移行させて薄型化したり、リードをパッケージ
下面にエリアアレイ状に配置したBGA型に移行させ
て、電極ピッチを1.5mm〜1.0mmに保ちソルダ
リングを容易にする動きが数年前より活発化してきた。
Accordingly, a QON (Quad Outline Nonlead) in which the leads are arranged at the lower end of the package.
ed), the lead has been moved to the BGA type in which the leads are arranged in an area array on the lower surface of the package, and the electrode pitch is kept at 1.5 mm to 1.0 mm to facilitate soldering. It has become more active than before.

【0005】しかし、QONなど薄型あるいはBGAな
ど片面封止型のパッケージは、従来のノボラック型エポ
キシ樹脂等のエポキシ樹脂、ノボラック型フェノール樹
脂およびシリカ粉末からなる樹脂組成物によって封止し
た場合、パッケージの反りが大きいという欠点があっ
た。また、ボンディングワイヤの長ループ化により、成
形時にワイヤ流れが起こるという欠点があった。
[0005] However, a package of a thin type such as QON or a single-sided sealing type such as BGA, when sealed with a resin composition consisting of an epoxy resin such as a conventional novolak type epoxy resin, a novolak type phenol resin and silica powder, has a disadvantage. There was a disadvantage that the warpage was large. In addition, there is a disadvantage that the wire flows during molding due to the long loop of the bonding wire.

【0006】[0006]

【発明が解決しようとする課題】本発明は、上記の欠点
を解消するためになされたもので、パッケージの反りが
少なく、かつ流動性が良好で成形性に優れ、また、実装
時の半田耐熱性に優れ、樹脂クラックの発生がなく、接
着性も良好であり、さらに、実装後の耐湿性に優れ、長
期の信頼性が保証されるエポキシ樹脂組成物及び薄型、
BGA型の半導体封止装置を提供しようとするものであ
る。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks, and has a small package warpage, good fluidity, excellent moldability, and a low heat resistance during mounting. Epoxy resin composition that is excellent in adhesiveness, does not generate resin cracks, has good adhesiveness, has excellent moisture resistance after mounting, and guarantees long-term reliability.
It is intended to provide a BGA type semiconductor sealing device.

【0007】[0007]

【課題を解決するための手段】本発明者らは、上記の目
的を達成しようと鋭意研究を重ねた結果、特定のエポキ
シ樹脂、特定のフェノール樹脂を用いることによって、
樹脂組成物の高いガラス転移温度を保持したまま熱膨張
係数が低減され、熱機械特性と低応力性が向上してパッ
ケージの反りを抑えることができ、また高流動性を兼ね
備えることにより良好な成形性がが付与され、さらに半
田浸漬、半田リフロー後の樹脂クラックの発生が無くな
り、耐湿性劣化も少なくなることを見いだし、本発明を
完成したものである。
Means for Solving the Problems The present inventors have made intensive studies to achieve the above object, and as a result, by using a specific epoxy resin and a specific phenol resin,
The thermal expansion coefficient is reduced while maintaining the high glass transition temperature of the resin composition, the thermomechanical properties and low stress properties are improved, and the warpage of the package can be suppressed. Thus, the present invention has been found to have improved properties, to eliminate the occurrence of resin cracks after solder immersion and solder reflow, and to reduce deterioration in moisture resistance.

【0008】即ち、本発明は、(A)次の一般式で示さ
れるエポキシ樹脂、
That is, the present invention provides (A) an epoxy resin represented by the following general formula:

【化5】 (但し、式中、R1 はCj 2j+1基を、R2 はCk
2k+1基を、R3 はCl 2l +1基を、R4 はCm 2m+1
をそれぞれ表し、各基におけるj、k、l、mは0又は
1以上の整数を、nは1以上の整数を、それぞれ表す) (B)次の一般式で示されるフェノール樹脂、
Embedded image (Wherein, R 1 is a C j H 2j + 1 group, and R 2 is a C k H
2k + 1 groups, R 3 represents a C 1 H 2l +1 group, R 4 represents a C m H 2m + 1 group, and j, k, l, and m in each group represent 0 or an integer of 1 or more. , N represents an integer of 1 or more) (B) a phenol resin represented by the following general formula:

【化6】 (但し、式中、R1 はCj 2j+1基を、R2 はCk
2k+1基をそれぞれ表し、また各基におけるj、kは0又
は1以上の整数を、m、nは1以上の整数をそれぞれ表
す) (C)無機質充填剤および(D)硬化促進剤を必須成分
とし、樹脂組成物に対して前記(C)無機質充填剤を5
0〜95重量%の割合で含有してなることを特徴とする
エポキシ樹脂組成物である。また別の本発明は、このエ
ポキシ樹脂組成物の硬化物で半導体チップが封止されて
なることを特徴とする薄型、BGA型などの半導体封止
装置である。
Embedded image (Wherein, R 1 is a C j H 2j + 1 group, and R 2 is a C k H
2k + 1 groups, and j and k in each group each represent an integer of 0 or 1 or more, and m and n each represent an integer of 1 or more.) (C) an inorganic filler and (D) a curing accelerator As an essential component, the inorganic filler (C) is added to the resin composition in an amount of 5
An epoxy resin composition characterized in that it is contained in a proportion of 0 to 95% by weight. Another aspect of the present invention is a semiconductor sealing device of a thin type, a BGA type, or the like, wherein a semiconductor chip is sealed with a cured product of the epoxy resin composition.

【0009】以下、本発明を詳細に説明する。Hereinafter, the present invention will be described in detail.

【0010】本発明に用いる(A)エポキシ樹脂として
は、前記の一般式化5で示されたものが使用され、その
分子量等に特に制限されることなく使用することができ
る。具体的な化合物として、例えば、
As the epoxy resin (A) used in the present invention, those represented by the above general formula (5) are used, and the epoxy resin can be used without any particular limitation on its molecular weight and the like. As specific compounds, for example,

【化7】 (但し、式中、nは1以上の整数を表す)Embedded image (Where n represents an integer of 1 or more)

【化8】 (但し、式中、nは1以上の整数を表す)等が挙げら
れ、これらは単独又は2種以上混合して使用することが
できる。
Embedded image (Wherein, n represents an integer of 1 or more), and these can be used alone or as a mixture of two or more.

【0011】本発明に用いる(B)フェノール樹脂とし
ては、前記の一般式化6で示されたものが使用される。
具体的な化合物としては、例えば、
As the phenolic resin (B) used in the present invention, those represented by the aforementioned general formula (6) are used.
Specific compounds include, for example,

【化9】 (但し、式中、m、nは1以上の整数を表す)等が挙げ
られる。また、このフェノール樹脂の他にフェノール、
アルキルフェノール等のフェノール類と、ホルムアルデ
ヒドあるいはパラホルムアルデヒドとを反応して得られ
るノボラック型フェノール樹脂およびこれらの変性樹脂
を併用することができる。
Embedded image (Where m and n each represent an integer of 1 or more). In addition to this phenolic resin, phenol,
Novolak-type phenol resins obtained by reacting phenols such as alkylphenols with formaldehyde or paraformaldehyde, and modified resins thereof can be used in combination.

【0012】本発明に用いる(C)無機質充填剤として
は、一般に使用されているものが広く使用されるが、そ
れらの中でも不純物濃度が低く、平均粒径30μm以下
のシリカ粉末が好ましく使用することができる。平均粒
径が30μmを超えると耐湿性および成形性が劣り好ま
しくない。無機質充填剤の配合割合は、全体の樹脂組成
物に対して50〜95重量%の割合で含有することが望
ましい。その割合が50重量%未満では、樹脂組成物の
吸湿性が大きく、半田浸漬後の耐湿性に劣り、また、9
5重量%を超えると極端に流動性が悪くなり、成形性に
劣り好ましくない。
As the inorganic filler (C) used in the present invention, those generally used are widely used. Among them, silica powder having a low impurity concentration and an average particle diameter of 30 μm or less is preferably used. Can be. If the average particle size exceeds 30 μm, the moisture resistance and the moldability are poor, which is not preferable. The inorganic filler is desirably contained in a proportion of 50 to 95% by weight based on the whole resin composition. When the proportion is less than 50% by weight, the resin composition has a large hygroscopicity, is inferior in moisture resistance after solder immersion, and
If it exceeds 5% by weight, the fluidity becomes extremely poor and the moldability is poor, which is not preferred.

【0013】本発明に用いる(D)硬化促進剤として
は、リン系硬化促進剤、イミダゾール系硬化促進剤、D
BU系硬化促進剤、その他の硬化促進剤等が広く使用さ
れる。これらは単独又は2種以上併用することができ
る。硬化促進剤の配合割合は、樹脂組成物に対して0.
01〜5重量%含有するように配合することが望まし
い。その割合が0.01重量%未満では樹脂組成物のゲ
ルタイムが長く、硬化特性も悪くなり、また、5重量%
を超えると極端に流動性が悪くなって成形性に劣り、さ
らに電気特性も悪くなり耐湿性に劣り好ましくない。
The (D) curing accelerator used in the present invention includes a phosphorus-based curing accelerator, an imidazole-based curing accelerator,
BU-based curing accelerators and other curing accelerators are widely used. These can be used alone or in combination of two or more. The mixing ratio of the curing accelerator is 0.1 to the resin composition.
It is desirable to mix them so as to contain from 01 to 5% by weight. If the proportion is less than 0.01% by weight, the gel time of the resin composition is long, the curing properties are deteriorated, and 5% by weight.
If it exceeds, the fluidity becomes extremely poor and the moldability is inferior, and the electrical properties also deteriorate, and the moisture resistance is inferior.

【0014】本発明のエポキシ樹脂組成物は、前述した
特定のエポキシ樹脂、特定のフェノール樹脂、無機質充
填剤および硬化促進剤を必須成分とするが、本発明の目
的に反しない限度において、また必要に応じて、例えば
天然ワックス類、合成ワックス類、直鎖脂肪酸の金属
塩、酸アミド類、エステル類、パラフィン類等の離型
剤、三酸化アンチモン等の難燃剤、カーボンブラック、
ベンガラ等の着色剤、シランカップリング剤、ゴム系や
シリコーン系の低応力付与剤等を適宜、添加配合するこ
とができる。
The epoxy resin composition of the present invention contains the above-mentioned specific epoxy resin, specific phenol resin, inorganic filler and curing accelerator as essential components. Depending on, for example, natural waxes, synthetic waxes, metal salts of linear fatty acids, acid amides, esters, release agents such as paraffins, flame retardants such as antimony trioxide, carbon black,
A coloring agent such as redwood, a silane coupling agent, a rubber-based or silicone-based low-stress imparting agent, and the like can be appropriately added and blended.

【0015】本発明のエポキシ樹脂組成物を成形材料と
して調製する場合の一般的な方法としては、前述した特
定のエポキシ樹脂、特定のフェノール樹脂、無機質充填
剤および硬化促進剤その他の成分を所定の組成比に選択
した原料成分を配合し、ミキサー等によって十分均一に
混合した後、さらに熱ロールによる溶融混合処理又はニ
ーダ等による混合処理を行い、次いで冷却固化させ、適
当な大きさに粉砕して成形材料とすることができる。こ
うして得られた成形材料は、半導体装置をはじめとする
電子部品あるいは電気部品の封止、被覆、絶縁等に適用
すれば、優れた特性と信頼性を付与させることができ
る。
As a general method for preparing the epoxy resin composition of the present invention as a molding material, a specific epoxy resin, a specific phenol resin, an inorganic filler, a curing accelerator and other components described above are added to a predetermined component. After blending the raw material components selected in the composition ratio and mixing sufficiently uniformly with a mixer or the like, further perform a melt mixing treatment with a hot roll or a mixing treatment with a kneader or the like, then solidify by cooling, and pulverize to an appropriate size. It can be a molding material. If the molding material thus obtained is applied to sealing, coating, insulating, etc. of electronic parts or electric parts such as semiconductor devices, excellent properties and reliability can be imparted.

【0016】本発明の半導体封止装置は、上述した成形
材料を用いて、半導体チップを封止することにより容易
に製造することができる。封止を行う半導体チップとし
ては、例えば、集積回路、大規模集積回路、トランジス
タ、サイリスタ、ダイオード等で特に限定されるもので
はない。封止の最も一般的な方法としては、低圧トラン
スファー成形法があるが、射出成形、圧縮成形、注型等
による封止も可能である。成形材料は封止の際に加熱し
て硬化させ、最終的にはこの硬化物によって封止された
半導体封止装置が得られる。加熱による硬化は、150 ℃
以上に加熱して硬化させることが望ましい。また、チッ
プを搭載する基板としては、セラミック、プラスチッ
ク、ポリイミドフィルム、リードフレーム等特に限定さ
れるものではない。
The semiconductor encapsulation device of the present invention can be easily manufactured by encapsulating a semiconductor chip using the above-mentioned molding material. The semiconductor chip to be sealed is not particularly limited to, for example, an integrated circuit, a large-scale integrated circuit, a transistor, a thyristor, a diode, and the like. The most common sealing method is a low-pressure transfer molding method, but sealing by injection molding, compression molding, casting or the like is also possible. The molding material is heated and cured at the time of sealing, and finally a semiconductor sealing device sealed with the cured product is obtained. 150 ° C for curing by heating
It is desirable to cure by heating as described above. The substrate on which the chip is mounted is not particularly limited, such as ceramic, plastic, polyimide film, and lead frame.

【0017】[0017]

【作用】本発明のエポキシ樹脂組成物および半導体封止
装置は、前述した特定のエポキシ樹脂、特定のフェノー
ル樹脂を用いたことによって、樹脂組成物の高いガラス
転移温度を保持したまま熱膨張係数を低減し、熱機械特
性と、低応力性が向上してパッケージの反りを抑えるこ
とができ、また、高流動性を兼ね備えることにより良好
な成形性が付与され、半田浸漬、半田リフロー後の樹脂
クラックの発生がなくなり、耐湿性劣化が少なくなるも
のである。
According to the epoxy resin composition and the semiconductor encapsulation device of the present invention, the specific epoxy resin and the specific phenol resin described above are used to reduce the thermal expansion coefficient while maintaining the high glass transition temperature of the resin composition. Reduced and improved thermo-mechanical properties and low stress properties can suppress package warpage.Also, due to high fluidity, good moldability is provided, resin cracks after solder immersion and solder reflow And the deterioration of moisture resistance is reduced.

【0018】[0018]

【実施例】次に本発明を実施例によって具体的に説明す
るが、本発明はこれらの実施例によって限定されるもの
ではない。以下の実施例及び比較例において「%」とは
「重量%」を意味する。
Next, the present invention will be described specifically with reference to examples, but the present invention is not limited to these examples. In the following Examples and Comparative Examples, “%” means “% by weight”.

【0019】実施例1 前述した化7のエポキシ樹脂8.8%、前述した化9の
フェノール樹脂5.3%、シリカ粉末85%、硬化促進
剤0.2%、エステルワックス0.3%およびシランカ
ップリング剤0.4%を常温で混合し、さらに90〜9
5℃で混練してこれを冷却粉砕して成形材料(A)を製
造した。
Example 1 8.8% of the epoxy resin of the above formula 7, 5.3% of the phenol resin of the above formula 9, 85% of silica powder, 0.2% of a curing accelerator, 0.3% of an ester wax and 0.4% of a silane coupling agent is mixed at room temperature, and 90 to 9
The mixture was kneaded at 5 ° C. and cooled and pulverized to produce a molding material (A).

【0020】実施例2 実施例1で用いた化7のエポキシ樹脂5.2%、実施例
1で用いた化9のフェノール樹脂3.9%、シリカ粉末
90%、硬化促進剤0.2%、エステルワックス0.3
%およびシランカップリング剤0.4%を常温で混合
し、さらに90〜95℃で混練してこれを冷却粉砕して
成形材料(B)を製造した。
Example 2 5.2% of the epoxy resin of Chemical formula 7 used in Example 1, 3.9% of the phenol resin of Chemical formula 9 used in Example 1, 90% of silica powder, 0.2% of a curing accelerator , Ester wax 0.3
% And the silane coupling agent 0.4% were mixed at room temperature, further kneaded at 90 to 95 ° C., and cooled and pulverized to produce a molding material (B).

【0021】比較例1 o−クレゾールノボラック型エポキシ樹脂11%、ノボ
ラック型フェノール樹脂3%、シリカ粉末85%、硬化
促進剤0.3%、エステルワックス0.3%およびシラ
ンカップリング剤0.4%を混合し、さらに90〜95
℃で混練してこれを冷却粉砕して成形材料(C)を製造
した。
Comparative Example 1 o-Cresol novolak type epoxy resin 11%, novolak type phenol resin 3%, silica powder 85%, curing accelerator 0.3%, ester wax 0.3% and silane coupling agent 0.4 %, And further 90-95
C. and kneaded at room temperature to cool and pulverize to produce a molding material (C).

【0022】比較例2 エピビス型エポキシ樹脂11%、ノボラック型フェノー
ル樹脂3%、シリカ粉末85%、硬化促進剤0.3%、
エステルワックス0.3%およびシランカップリング剤
0.4%を混合し、さらに90〜95℃で混練してこれ
を冷却粉砕して成形材料(D)を製造した。
Comparative Example 2 Epibis type epoxy resin 11%, novolak type phenol resin 3%, silica powder 85%, curing accelerator 0.3%,
0.3% of the ester wax and 0.4% of the silane coupling agent were mixed, kneaded at 90 to 95 ° C., and cooled and pulverized to produce a molding material (D).

【0023】こうして製造した成形材料(A)〜(D)
を用いて、175℃に加熱した金型内にトランスファー
注入し、硬化させて半導体チップを封止して半導体封止
装置を製造した。これらの半導体封止装置について、諸
試験を行ったのでその結果を表1に示したが、本発明の
エポキシ樹脂組成物及び半導体封止装置は、パッケージ
の反りがなく、流動性、耐湿性、半田耐熱性に優れてお
り、本発明の顕著な効果を確認することができた。
The molding materials (A) to (D) thus produced
Was transferred into a mold heated to 175 ° C., cured, and the semiconductor chip was sealed to manufacture a semiconductor sealing device. Various tests were performed on these semiconductor sealing devices, and the results are shown in Table 1. The epoxy resin composition and the semiconductor sealing device of the present invention have no warpage of the package, have fluidity, moisture resistance, The solder heat resistance was excellent, and the remarkable effect of the present invention could be confirmed.

【0024】[0024]

【表1】 *1:トランスファー成形によって直径50mm、厚さ
3mmの成形品を作り、これを127℃,2.5気圧の
飽和水蒸気中に24時間放置し、増加した重量によって
測定した。
[Table 1] * 1: A molded article having a diameter of 50 mm and a thickness of 3 mm was prepared by transfer molding, left in a saturated steam at 127 ° C. and 2.5 atm for 24 hours, and measured by the increased weight.

【0025】*2:吸水率の場合と同様な成形品を作
り、175℃で8時間の後硬化を行い、適当な大きさの
試験片とし、熱機械分析装置を用いて測定した。
* 2: A molded article similar to that in the case of the water absorption was prepared, post-cured at 175 ° C. for 8 hours, a test piece of an appropriate size was measured using a thermomechanical analyzer.

【0026】*3:JIS−K−6911に準じて試験
した。
* 3: Tested according to JIS-K-6911.

【0027】*4:成形材料を用いて、2本のアルミニ
ウム配線を有するシリコン製チップを、通常のBGA用
フレームに接着し、175℃で2分間トランスファー成
形した後、175℃で8時間の後硬化を行った。こうし
て得た成形品を、127℃,2.5気圧の飽和水蒸気中
で耐湿試験を行い、アルミニウム腐食による50%断線
(不良発生)の起こる時間を評価した。
* 4: Using a molding material, a silicon chip having two aluminum wirings was bonded to a normal BGA frame, transfer-molded at 175 ° C. for 2 minutes, and after 8 hours at 175 ° C. Curing was performed. The molded article thus obtained was subjected to a moisture resistance test in saturated steam at 127 ° C. and 2.5 atm to evaluate the time at which 50% disconnection (defect occurrence) due to aluminum corrosion occurred.

【0028】*5:半導体チップ(10×10mm)を
BGA(30×30×1.2mm)パッケージに納め、
成形材料を用いて、175℃で2分間トランスファー成
形した後、175℃で8時間の後硬化を行った。こうし
て製造した半導体封止装置を85℃,60%,168時
間の吸湿処理をした後、240℃のIRリフローを30
秒間行い、パッケージクラックの発生の有無を評価し
た。
* 5: A semiconductor chip (10 × 10 mm) is placed in a BGA (30 × 30 × 1.2 mm) package.
After transfer molding at 175 ° C. for 2 minutes using the molding material, post-curing was performed at 175 ° C. for 8 hours. After the semiconductor encapsulation device thus manufactured is subjected to a moisture absorption treatment at 85 ° C., 60% and 168 hours, IR reflow at 240 ° C. is performed for 30 minutes.
The test was performed for 2 seconds to evaluate whether or not a package crack occurred.

【0029】*6:半導体チップ(10×10mm)を
BGA(30×30×1.2mm)パッケージに納め、
成形材料を用いて、175℃で2分間トランスファー成
形した後、175℃で8時間の後硬化を行った。こうし
て製造した半導体封止装置の反り量を非接触式レーザー
測定機により測定した。
* 6: A semiconductor chip (10 × 10 mm) is placed in a BGA (30 × 30 × 1.2 mm) package.
After transfer molding at 175 ° C. for 2 minutes using the molding material, post-curing was performed at 175 ° C. for 8 hours. The warpage of the semiconductor sealing device manufactured in this manner was measured by a non-contact type laser measuring device.

【0030】[0030]

【発明の効果】以上の説明及び表1から明らかなよう
に、本発明のエポキシ樹脂組成物及び半導体封止装置
は、パッケージ反りが少なく、かつ流動性が良好で成形
性に優れ、また実装時の半田耐熱性に優れ、樹脂クラッ
クもなく、接着性も良好である。そしてまた、実装後の
耐湿性に優れ、長期間にわたって信頼性を保証すること
ができる。
As is clear from the above description and Table 1, the epoxy resin composition and the semiconductor encapsulation device of the present invention have a small package warpage, a good fluidity, a good moldability, and a good packaging performance. Has excellent solder heat resistance, no resin cracks, and good adhesion. Further, it is excellent in moisture resistance after mounting and can guarantee reliability for a long period of time.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) H01L 23/31 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) H01L 23/31

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 (A)次の一般式で示されるエポキシ樹
脂、 【化1】 (但し、式中、R1 はCj 2j+1基を、R2 はCk
2k+1基を、R3 はCl 2l +1基を、R4 はCm 2m+1
をそれぞれ表し、各基におけるj、k、l、mは0又は
1以上の整数を、nは1以上の整数を、それぞれ表す) (B)次の一般式で示されるフェノール樹脂、 【化2】 (但し、式中、R1 はCj 2j+1基を、R2 はCk
2k+1基をそれぞれ表し、また各基におけるj、kは0又
は1以上の整数を、m、nは1以上の整数をそれぞれ表
す) (C)無機質充填剤および(D)硬化促進剤を必須成分
とし、樹脂組成物に対して前記(C)無機質充填剤を5
0〜95重量%の割合で含有してなることを特徴とする
エポキシ樹脂組成物。
(A) an epoxy resin represented by the following general formula: (Wherein, R 1 is a C j H 2j + 1 group, and R 2 is a C k H
2k + 1 groups, R 3 represents a C 1 H 2l +1 group, R 4 represents a C m H 2m + 1 group, and j, k, l, m in each group represents 0 or an integer of 1 or more. , N represents an integer of 1 or more. (B) A phenol resin represented by the following general formula: (Where R 1 is a C j H 2j + 1 group, and R 2 is a C k H
2k + 1 groups, j and k in each group each represent an integer of 0 or 1 or more, and m and n each represent an integer of 1 or more.) (C) an inorganic filler and (D) a curing accelerator As an essential component, the inorganic filler (C) is added to the resin composition in an amount of 5
An epoxy resin composition, which is contained in a proportion of 0 to 95% by weight.
【請求項2】 (A)次の一般式で示されるエポキシ樹
脂、 【化3】 (但し、式中、R1 はCj 2j+1基を、R2 はCk
2k+1基を、R3 はCl 2l +1基を、R4 はCm 2m+1
をそれぞれ表し、各基におけるj、k、l、mは0又は
1以上の整数を、nは1以上の整数を、それぞれ表す) (B)次の一般式で示されるフェノール樹脂、 【化4】 (但し、式中、R1 はCj 2j+1基を、R2 はCk
2k+1基をそれぞれ表し、また各基におけるj、kは0又
は1以上の整数を、m、nは1以上の整数をそれぞれ表
す) (C)無機質充填剤および(D)硬化促進剤を必須成分
とし、樹脂組成物に対して前記(C)無機質充填剤を5
0〜95重量%の割合で含有したエポキシ樹脂組成物の
硬化物で半導体チップが封止されてなることを特徴とす
る半導体封止装置。
(A) an epoxy resin represented by the following general formula: (Wherein, R 1 is a C j H 2j + 1 group, and R 2 is a C k H
2k + 1 groups, R 3 represents a C 1 H 2l +1 group, R 4 represents a C m H 2m + 1 group, and j, k, l, m in each group represents 0 or an integer of 1 or more. , N represents an integer of 1 or more. (B) A phenol resin represented by the following general formula: (Wherein, R 1 is a C j H 2j + 1 group, and R 2 is a C k H
2k + 1 groups, j and k in each group each represent an integer of 0 or 1 or more, and m and n each represent an integer of 1 or more.) (C) an inorganic filler and (D) a curing accelerator As an essential component, the inorganic filler (C) is added to the resin composition in an amount of 5
A semiconductor sealing device, wherein a semiconductor chip is sealed with a cured product of an epoxy resin composition contained at a ratio of 0 to 95% by weight.
JP11026499A 1999-04-19 1999-04-19 Epoxy resin composition and apparatus for semiconductor sealing Pending JP2000302842A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11026499A JP2000302842A (en) 1999-04-19 1999-04-19 Epoxy resin composition and apparatus for semiconductor sealing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11026499A JP2000302842A (en) 1999-04-19 1999-04-19 Epoxy resin composition and apparatus for semiconductor sealing

Publications (1)

Publication Number Publication Date
JP2000302842A true JP2000302842A (en) 2000-10-31

Family

ID=14531290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11026499A Pending JP2000302842A (en) 1999-04-19 1999-04-19 Epoxy resin composition and apparatus for semiconductor sealing

Country Status (1)

Country Link
JP (1) JP2000302842A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7560821B2 (en) 2005-03-24 2009-07-14 Sumitomo Bakelite Company, Ltd Area mount type semiconductor device, and die bonding resin composition and encapsulating resin composition used for the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7560821B2 (en) 2005-03-24 2009-07-14 Sumitomo Bakelite Company, Ltd Area mount type semiconductor device, and die bonding resin composition and encapsulating resin composition used for the same

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