TWI627721B - 半導體裝置之製造方法 - Google Patents
半導體裝置之製造方法 Download PDFInfo
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- TWI627721B TWI627721B TW103130394A TW103130394A TWI627721B TW I627721 B TWI627721 B TW I627721B TW 103130394 A TW103130394 A TW 103130394A TW 103130394 A TW103130394 A TW 103130394A TW I627721 B TWI627721 B TW I627721B
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- plating layer
- sealing resin
- photoresist
- semiconductor device
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 108
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 238000007747 plating Methods 0.000 claims abstract description 137
- 239000011347 resin Substances 0.000 claims abstract description 49
- 229920005989 resin Polymers 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 239000000758 substrate Substances 0.000 claims abstract description 33
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920002120 photoresistant polymer Polymers 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 44
- 239000002184 metal Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000011800 void material Substances 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000009713 electroplating Methods 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 abstract description 35
- 239000000463 material Substances 0.000 abstract description 9
- 235000012431 wafers Nutrition 0.000 description 45
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 15
- 229910052737 gold Inorganic materials 0.000 description 15
- 239000010931 gold Substances 0.000 description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 11
- 229910052709 silver Inorganic materials 0.000 description 11
- 239000004332 silver Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 8
- 238000007689 inspection Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 238000011179 visual inspection Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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Abstract
提供提升安裝性之半導體扁板封裝體。
一種半導體裝置,係以從密封樹脂露出之導線之端面被電鍍層覆蓋,上述電鍍層之側端面和密封樹脂之側端面位於同一平面上為特徵。在半導體扁平封裝體之導線切斷部形成焊料濕潤性佳之材料,提升與電路基板之焊料連接強度,並且從半導體封裝體之導線切斷部形成焊料填角,使可適應安裝後之焊料自動外觀檢查。
Description
本發明係關於樹脂密封型之半導體裝置,尤其關於導線為扁平且位於半導體封裝體之底面和導線底面相同平面的扁平封裝體之半導體裝置。
以行動機器為首,各種電子機器朝向薄型化、小型化、輕量化。即使在被安裝於該些電子機器的半導體封裝體,也要求薄型、小型。要使半導體封裝體變薄、縮小,因在以往之鷗翼型之半導體封裝體無法對應,故以導線為扁平且位於半導體封裝體之底面和導線底面位於同一平面的所謂扁平封裝體為有效果。
在扁平封裝體中,使用以與電路基板連接之導線從封裝體之背面(安裝於電路基板之表面)露出。再者,搭載半導體晶片之部分的晶片焊墊一般係由導線框或電鍍層等所構成,有從封裝體之背面露出者,和不露出者。並且,也有不形成晶片焊墊,直接在密封樹脂搭載半導體晶片者。於將扁平封裝體以焊接安裝至電路基板之時,以焊料
接合外部導線底面和電路基板之圖案。
針對以往之扁平封裝體之製造方法,使用圖示進行說明。
圖10係沿著用以說明以往之半導體封裝體之製造方法之工程的剖面圖。圖10(a)係在導電性底板3上塗佈光阻2,進行圖案製作,且在光阻之開口部形成電鍍層1而形成半導體封裝體之電極。電鍍層1係由三層所形成為多,在導電性底板3上進行鍍金或鍍銀,在其上方進行鍍鎳或鍍銅,又在其上方進行鍍金或鍍銀。圖10(b)係除去光阻2之情形。圖10(c)係在由電鍍層1所構成之晶片焊墊36上晶粒接合半導體晶片7,同樣將金屬線8電性連接至由電鍍層1所構成之外部導線30。圖10(d)係為了保護半導體晶片7或金屬線8等,形成有密封樹脂層9之情形。圖10(e)係除去導電性底板(3)之情形。圖10(f)表示用以分割成各個半導體封裝體之切割刀10所進行的切割。切割係切斷由電鍍層1所構成之外部導線30。圖10(g)表示最終的半導體封裝體之剖面。外部導線30之端面31露出。
在切割之工程中,因切斷由電鍍層1所構成之外部導線30,故在其切斷面之端面31露出鎳或銅。圖11表示將利用以往之製造方法所製作出之半導體封裝體焊接至電路基板之狀態的剖面圖。外部導線30之底面32因露出金屬層或銀電鍍層,故焊料濕潤性良好,與取得與焊料良好的接合狀態。(例如,參照專利文獻1)
再者,於專利文獻2、3中,記載有對以往之鷗翼型半導體封裝體中之外部導線之剖面,裝設焊接性良好之素材。
〔專利文獻1〕日本特開2002-9196號公報
〔專利文獻2〕日本特開平8-213540號公報
〔專利文獻3〕日本特開平7-030043號公報
如上述所述般,隨著電子機器之薄型化、小型化、輕量化,在被封裝之半導體裝置中,增加了扁平型。
但是,在圖11所示之構造中,外部導線30之端面31因露出了電鍍層1之主要的材料之鎳或銅,故焊料之濕潤性變差,與焊料之接合困難。因此,如圖11所示般,因無法從端面31取得良好之焊料填角,故在與電路基板之接合中,無法取得充分之接合面積,有接合強度弱之問題。再者,藉由於對電路基板焊接之後所進行之畫像檢查的自動外觀檢查,觀察填角之形狀而判定外部導線30和焊料11之連接狀態是否合格,因焊料填角外部導線30之端面31不接合,故僅觀察填角,無法判定是否合格,扁平封裝體也有無法適用自動外觀檢查之問題。
本發明係用以解決具有如此之以往扁平封裝體之問
題,係以在焊料接合部形成良好之填角,具有與電路基板高的接合強度,並且自動外觀檢查也可以對應之被封裝的半導體裝置為課題。
為了解決上述課題,使用下述手段。
首先,為一種半導體裝置,具備:被搭載在晶片焊墊之半導體晶片;覆蓋上述半導體晶片之密封樹脂;部分性被上述密封樹脂覆蓋,與上述半導體晶片電性連接之導線,其特徵在於:從上述密封樹脂露出之上述導線之端面被電鍍層覆蓋,上述電鍍層之側端面和密封樹脂之側端面位於同一平面上。
再者,為一種半導體裝置之製造方法,係由下述工程所組成:在導電性底板上形成進行特定圖案製作之第一光阻圖案的工程;在除了上述第一光阻圖案之外的上述導電性底板之開口面,利用電解電鍍法析出第一電鍍層,形成晶片焊墊及導線的工程;在上述第一光阻圖案及第一電鍍層之表面塗佈光阻的工程;除去上述第一光阻圖案及上述光阻之一部分,而在上述導線之端面形成具有空隙之第二光阻圖案的工程;在上述空隙析出第二電鍍層,並使成為上述導線端面之電鍍層的工程;除去上述第二光阻圖案的工程;在上述晶片焊墊搭載半導體晶片,以金屬線連接上述半導體晶片和上述導線的工程;以絕緣性之密封樹脂覆蓋上述導電性底板上之上述半導體晶片和上述金屬線和上
述導線上述第二電鍍層的工程;將上述導電性底板從上述密封樹脂和上述晶片焊墊和上述導線和上述第二電鍍層剝離的工程;和切斷上述密封樹脂及上述第二電鍍層之中央部,而使單片化成半導體裝置的工程。
再者,為一種半導體裝置之製造方法,係由下述工程所組成:在導電性底板上形成進行特定圖案製作之第一光阻圖案的工程;在除了上述第一光阻圖案之外的上述導電性底板之開口面,利用電解電鍍法析出第一電鍍層,形成導線的工程;以掩埋上述導線間之方式,設置絕緣性之第一密封樹脂的工程;從上述第一密封樹脂和上述第一電鍍層剝離上述導電性底板的工程;在由上述第一密封樹脂和上述第一電鍍層所構成之構件之兩面形成光阻,除去上述第一電鍍層上之單側之第一面的光阻而形成光阻除去部的工程;以上述第一電鍍層之端面露出之方式,部分性去除上述光阻和上述第一密封樹脂而形成空隙的工程;在上述空隙和上述光阻除去部析出第二電鍍層,並使成為上述導線端面之電鍍層的工程;除去上述光阻之殘部的工程;使由上述第一密封樹脂和上述第一電鍍層及第二電鍍層所構成之構件表背反轉,在成為晶片焊墊部之上述第一密封樹脂表面搭載半導體晶片,以金屬線連接上述半導體晶片和上述導線的工程;以絕緣性之第二密封樹脂覆蓋上述第一密封樹脂上之上述半導體晶片和上述金屬線和上述導線上述第二電鍍層的工程;及切斷上述第二密封樹脂及上述第二電鍍層之中央部,而使單片化成半導體裝置的工程。
藉由使用上述手段,於在電路基板安裝半導體封裝體之時,可以在扁平封裝體之外部導線端面型成良好之焊料填角,提升與電路基板之接合強度。再者,即使藉由焊料填角之觀察的自動外觀檢查,可實施判定與電路基板之接合是否合格。
1‧‧‧電鍍層
2‧‧‧光阻
3‧‧‧導電性底板
4‧‧‧光阻
5‧‧‧空隙
6‧‧‧電鍍層
7‧‧‧半導體晶片
8‧‧‧金屬線
9‧‧‧密封樹脂層
10‧‧‧切割刀
11‧‧‧焊料(焊料填角)
12‧‧‧電路基板之圖案
13‧‧‧電路基板
14‧‧‧光阻
15‧‧‧凸塊
16‧‧‧光阻除去部
19‧‧‧密封樹脂層
21‧‧‧光阻
26‧‧‧後設的電鍍層
30‧‧‧外部導線
31‧‧‧端面
32‧‧‧底面
33‧‧‧光阻
36‧‧‧晶片焊墊
37‧‧‧晶片焊墊部密封樹脂
圖1為表示本發明之半導體裝置之第一實施例的剖面圖。
圖2為表示本發明之半導體裝置之第一實施例之製造工程的剖面圖。
圖3為表示本發明之半導體裝置之第二實施例之製造工程的剖面圖。
圖4為表示本發明之半導體裝置之第三實施例之製造工程的剖面圖。
圖5為表示本發明之半導體裝置之第三實施例之製造工程的上視圖。
圖6為接續第5圖,表示本發明之半導體裝置之第三實施例之製造工程的上視圖。
圖7為表示在電路基板安裝本發明之第一實施例的半導體裝置之狀態的剖面圖。
圖8為表示在電路基板安裝本發明之第二實施例的半
導體裝置之狀態的剖面圖。
圖9為表示在電路基板安裝本發明之第二實施例的半導體裝置之狀態的剖面圖。
圖10為表示以往之半導體裝置之製造工程之例的剖面圖。
圖11為表示在電路基板安裝以往的半導體裝置之狀態的剖面圖。
以下,參照圖面,詳細說明本發明之實施例。
圖1為與本發明之第一實施例有關之半導體裝置之剖面圖。
與本發明有關之半導體裝置之構成,係由電性連接半導體晶片7和外部導線30之金屬線8,和搭載半導體晶片7之晶片焊墊部密封樹脂37、以覆蓋外部導線之端面31之方式形成的電鍍層6,及保護半導體裝置全體之密封樹脂19所構成。
就以本發明之特徵而言,與外部導線30之端面31接合而形成電鍍層6,其電鍍層6不會較半導體裝置之略外形尺寸突出。即是,電鍍層6之側端面和密封樹脂19之側端面在同一平面上。
再者,在圖1中,於外部導線之底面32也從後面形成電鍍層26,在晶片焊墊下面形成有支座。但是,在該外部導線底面不需要之後裝設的電鍍層26。若在事先形
成外部導線30之階段,形成複數之電鍍層,並且在與焊料接合之導線底面32形成金等之焊料濕潤性良好的電鍍層時,僅藉此可與電路基板焊接。此時,不需要之後形成電鍍層26。
圖2為以剖面圖表示說明與本發明之第一實施例有關之半導體裝置之製造工程。
圖2(a)~圖2(d)係利用眾知之技術,圖2(e)~圖2(1)表示與第一實施例有關之半導體裝置之製造方法之特徵。
圖2(a)係在導電性底板3上對光阻2進行圖案製作,並在該光阻2之開口部析出電鍍層1之圖示。電鍍層1係在與導電性底板3接合之表面直接進行鎳電鍍或銅電鍍,並且在其上方進行鍍金或鍍銀之雙層構造。或是,即使在導電性底板3上電鍍焊料濕潤性佳之鍍金或鍍銀等,並在其上方,析出鍍鎳或鍍銅,並且進行鍍金或鍍銀等使成為三層構造亦可。
圖2(b)係除去光阻2之圖示。圖2(c)係對在導電性底板3上形成電鍍層1之零件進行樹脂密封,並形成有密封樹脂層9之情形,密封樹脂層9被填充於電鍍層1之空隙。圖2(d)係除去導下面之導電性底板3之情形。
圖2(e)係在密封樹脂層9和電鍍層1成為一體之零件之表背,塗佈光阻14,應且去除電鍍層1上之單側表面之光阻之情形,以符號16表示光阻除去部。圖2
(f)係以電鍍層(1)之端面露出之方式,部分性去除光阻14和密封樹脂層9而形成空隙5。
就以去除該工程之光阻14和密封樹脂層9之方法而言,可以適用雷射照射、模具之衝模、切割等。圖2(g)係在之前的工程中所形成之空隙5,以電鍍處理形成電路層6之情形。在此所進行之電鍍處理可以適用焊接性良好之錫系之電鍍或鍍金等。
圖2(h)係除去光阻14之情形。圖2(i)係使至之前的工程為止所產生的零件表背(上下)顛倒,並在密封樹脂層9上晶粒接合半導體晶片7,並且以金屬線8電性連接由半導體晶片7和電鍍層1所構成之外部導線30。在晶粒接合工程中,可以使用絕緣膏或導電性膏而黏接半導體晶片。
圖2(j)係為了保護半導體晶片7或金屬線8等,以密封樹脂層19覆蓋之情形。圖2(k)係藉由切割刀10之切割等使單片化成各個半導體封裝體之工程,切斷電鍍層6之中央部,並在外部導線30之端面31殘留電鍍層6為重要。圖2(1)為最終被分割成各個半導體封裝體之情形。經過各種工程,完成圖1所示之半導體裝置。
圖3為表示本發明之製造方法的第二實施例。
圖3(a)係在導電性底板3上對光阻2進行圖案製作,並在該開口部析出電鍍層1。電鍍層1係對導電性底板3上進行焊料濕潤性良好之鍍金或鍍銀,並在其上方進行成為半導體封裝體之電極之中心材料的鍍鎳或鍍銅,並
且以可以在其上方產生良好之打線接合之方式,鍍金或鍍銀為之情形為多。即是,成為在導電性底板3鍍金以當作第一電鍍層,並在其上施予鍍鎳或鍍銅,且在最上面鍍金或鍍銀之三層構造。
在圖3(b)中,在之前的工程中形成於導電性底板3上的電鍍層1和光阻2之表面又塗佈光阻21。在圖3(c)中,以使成為電鍍層1之外部導線30之部分的端面31露出之方式,部分性地除去光阻2及光阻21。該光阻除去方法可以藉由藥液之蝕刻或雷射照射進行。在圖3(d)中,藉由對在之前的工程中除去光阻之部分進行電鍍處理,形成電鍍層6。該電鍍層6使用焊料濕潤性良好之材料。例如,適合鍍金或錫系之焊料電鍍。在圖3(e)係除去在上述電鍍工程中發揮光阻之作用的光阻2及21之情形。在該工程結束之時點,半導體封裝體之構造成為明確,並在導電性底板(3)上形成在之後的工程中搭載半導體晶片之晶片焊墊36和外部導線30及形成在其端面之電鍍層6。
在圖3(f)中,在晶片焊墊36上搭載半導體晶片7,並電性連接外部導線30和金屬線8之情形。圖3(g)係為了保護半導體晶片7或金屬線8等,以密封樹脂層9覆蓋全體之情形。圖3(h)係剝離導電性底板3之情形。圖3(i)為藉由切割工程之刀具10分割成各個半導體封裝體之工程。在該工程中重要的係在電鍍層6之中央部分割,並在外部導線30之端面殘留電鍍層6之情
形。圖3(j)表示被分割成各個半導體封裝體之最終的半導體封裝體形態。經過上述般之工程,可以在外部導線30之端面31配置由錫系或金所構成之電鍍層6,並且外部導線30之底面32成為焊料濕潤性良好之鍍金或鍍銀之電鍍層。
圖4係於經過圖3之圖(a)~圖3(h)之共同工程之後,也在外部導線30及晶片焊墊36之底面,形成焊料濕潤性良好之材料。但是,在圖4所示之工程中製造半導體封裝體之時,在圖3(a)之工程中形成的電鍍層1不需要三層構造,僅對導電性底板3上直接進行鍍鎳或鍍銅,並在其上方僅形成鍍金或鍍銀即可。即是,電鍍層1為了接合金屬線8和外部導線30,即使為對與金屬線之接合面進行鍍金或鍍銀之雙層構造亦可。
圖4(a)係為了在外部導線30之底面32及晶片焊墊36之底面35形成電鍍層,對光阻33進行圖案製作之情形。圖4(b)係在圖案製作之光阻33之開口部形成電鍍層26之情形。圖4(c)係除去光阻33之情形。電鍍層26構成從密封樹脂層9之底面突出之形狀,亦可以當作半導體封裝體之支座而作用。藉由具有支座,於對電路基板安裝時,自動對準容易產生效果。圖4(d)為與圖3(i)相同藉由切割工程之刀具10分割成各個半導體封裝體之工程。在該工程中重要的係在電鍍層6之內部分割,並在外部導線30之端面31殘留電鍍層6之情形。圖4(e)係經過本發明之工程而最後精加工的半導體封裝體
之剖面圖。在外部導線30之端面31和底面32形成由焊料濕潤性良好之材料所構成之電鍍層6及電鍍層26具有特徵。
圖5及圖6係為了更容易了解圖3之一部工程,從上面觀看之圖示。
圖5(a)為圖3(a)之上視圖。依照圖案製作之光阻2之形狀而形成電鍍層1之情形。電鍍層1在成為半導體封裝體之時,發揮搭載半導體晶片之晶片焊墊部和外部導線之作用。圖5(b)為圖3(c)之上視圖。為了使外部導線30之端面31露出,除去光阻或密封樹脂層而形成空隙5。該空隙5以僅形成在與外部導線30之端面31接合之部分為較佳,在鄰接之外部導線之端面間連接的情形為不理想。圖5(c)為圖3(d)之上視圖。在空隙5以電鍍處理形成電鍍層6。該電鍍層6必須為焊料濕潤性佳之材料。圖5(d)表示除去光阻2,在晶片焊墊30上搭載半導體晶片7,並藉由金屬線8與外部導線30連接之狀態。
圖6(a)係以密封樹脂層9覆蓋半導體封裝體全體之情形。圖6(b)係與圖3(i)相同,切割刀10分割成個別之半導體封裝體之情形。在該工程中重要的係切斷由焊料濕潤性良好之材料所構成之電鍍層6,而在外部導線30之端面31殘留電鍍層6。經過上述工程,如圖6(c)所示般,完成被分割成各個之半導體封裝體。
圖7為將經過圖4之工程而製作出之半導體封裝體焊
接至電路基板之狀態的剖面圖。在被形成在外部導線30之端面31之電鍍層6提升焊料11濕潤性,形成良好之填角。即使在外部導線30之底面32形成電鍍層26,成為與焊料11容易接合。於對電路基板焊接之後所進行之畫像檢查的自動外觀檢查,觀察填角之形狀而判定外部導線30和焊角11之連接狀態是否合格,焊料填角11被形成在外部導線30之端面31,可以在自動外觀檢查容易進行檢查。
圖8為將經過圖3之工程而製作出之半導體封裝體焊接至電路基板之狀態的剖面圖。與圖7相同,在被形成在外部導線30之端面31之電鍍層6提升焊料11濕潤性,形成良好之填角。再者,在該實施例之時,雖然在外部導線30之底面32形成之後裝設之電鍍層26,但是如圖3(a)說明般,因事先形成焊料溼潤性佳之電鍍層,故焊接性良好。
圖9表示在電路基板安裝本發明之第二實施例之半導體封裝體之狀態。進行將形成在半導體晶片7之凸塊與外部導線30接合的所謂倒裝晶片接合。如此一來,在半導體封裝體內不僅金屬線亦可以凸塊連接半導體晶片7和外部導線30。
Claims (8)
- 一種半導體裝置之製造方法,係由下述工程所組成:在導電性底板上形成進行特定圖案製作之第一光阻圖案的工程;在不形成上述第一光阻圖案之上述導電性底板之開口面,利用電解電鍍法析出第一電鍍層,形成晶片焊墊及導線的工程;在上述第一光阻圖案及第一電鍍層之表面塗佈光阻的工程;除去上述第一光阻圖案及上述光阻之一部分,而在上述導線之端面形成具有空隙之第二光阻圖案的工程;在上述空隙析出第二電鍍層,並使成為上述導線端面之電鍍層的工程;除去上述第二光阻圖案的工程;在上述晶片焊墊搭載半導體晶片,以金屬線連接上述半導體晶片和上述導線的工程;以絕緣性之密封樹脂覆蓋上述導電性底板上之上述半導體晶片和上述金屬線和上述導線上述第二電鍍層的工程;將上述導電性底板從上述密封樹脂和上述晶片焊墊和上述導線和上述第二電鍍層剝離的工程;切斷上述密封樹脂及上述第二電鍍層之中央部,而使單片化成半導體裝置的工程。
- 如請求項1所記載之半導體裝置之製造方法,其中在剝離上述導電性底板之工程和使單片化成半導體裝置之工程之間,設置有在上述導線之底面形成第三電鍍層的工程。
- 如請求項1或2所記載之半導體裝置之製造方法,其中形成上述第二光阻圖案的工程使用藉由藥液的蝕刻法。
- 如請求項1或2所記載之半導體裝置之製造方法,其中形成上述第二光阻圖案的工程使用雷射法。
- 一種半導體裝置之製造方法,由下述工程所組成:在導電性底板上形成進行特定圖案製作之第一光阻圖案的工程;在不形成上述第一光阻圖案之上述導電性底板之開口面,利用電解電鍍法析出第一電鍍層,形成導線的工程;以掩埋上述導線間之方式,設置絕緣性之第一密封樹脂的工程;從上述第一密封樹脂和上述第一電鍍層剝離上述導電性底板的工程;在由上述第一密封樹脂和上述第一電鍍層所構成之構件之兩面形成光阻,除去上述第一電鍍層上之單側之第一 面的光阻而形成光阻除去部的工程;以上述第一電鍍層之端面露出之方式,部分性去除上述光阻和上述第一密封樹脂而形成空隙的工程;在上述空隙和上述光阻除去部析出第二電鍍層,並使成為上述導線端面之電鍍層的工程;除去上述光阻之殘部的工程;使由上述第一密封樹脂和上述第一電鍍層及第二電鍍層所構成之構件表背反轉,在成為晶片焊墊部之上述第一密封樹脂表面搭載半導體晶片,以金屬線連接上述半導體晶片和上述導線的工程;以絕緣性之第二密封樹脂覆蓋上述第一密封樹脂上之上述半導體晶片和上述金屬線和上述導線上述第二電鍍層的工程;及切斷上述第二密封樹脂及上述第二電鍍層之中央部,而使單片化成半導體裝置的工程。
- 如請求項5所記載之半導體裝置之製造方法,其中形成上述空隙的工程使用雷射法。
- 如請求項5所記載之半導體裝置之製造方法,其中形成上述空隙的工程使用模沖法。
- 如請求項5所記載之半導體裝置之製造方法,其中形成上述空隙的工程使用切割法。
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CN205282448U (zh) | 2015-05-28 | 2016-06-01 | 意法半导体股份有限公司 | 表面安装类型半导体器件 |
CN105097571B (zh) * | 2015-06-11 | 2018-05-01 | 合肥矽迈微电子科技有限公司 | 芯片封装方法及封装组件 |
US9865463B2 (en) * | 2015-06-30 | 2018-01-09 | Sii Semiconductor Corporation | Method of manufacturing a semiconductor device |
US20170084519A1 (en) * | 2015-09-22 | 2017-03-23 | Freescale Semiconductor, Inc. | Semiconductor package and method of manufacturing same |
US20170271244A1 (en) * | 2016-03-21 | 2017-09-21 | Texas Instruments Incorporated | Lead frame with solder sidewalls |
US10388616B2 (en) * | 2016-05-02 | 2019-08-20 | Rohm Co., Ltd. | Semiconductor device and method for manufacturing the same |
JP6752639B2 (ja) | 2016-05-02 | 2020-09-09 | ローム株式会社 | 半導体装置の製造方法 |
US9847283B1 (en) | 2016-11-06 | 2017-12-19 | Nexperia B.V. | Semiconductor device with wettable corner leads |
US10636729B2 (en) * | 2017-06-19 | 2020-04-28 | Texas Instruments Incorporated | Integrated circuit package with pre-wetted contact sidewall surfaces |
WO2019229784A1 (ja) | 2018-05-28 | 2019-12-05 | 株式会社日立ハイテクノロジーズ | プラズマ処理装置 |
US11127660B2 (en) * | 2018-12-31 | 2021-09-21 | Microchip Technology Incorporated | Surface-mount integrated circuit package with coated surfaces for improved solder connection |
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JP2021034600A (ja) * | 2019-08-27 | 2021-03-01 | ローム株式会社 | 半導体装置 |
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