TW200828521A - Package structure of micro electro-mechanical microphone - Google Patents

Package structure of micro electro-mechanical microphone Download PDF

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Publication number
TW200828521A
TW200828521A TW095149120A TW95149120A TW200828521A TW 200828521 A TW200828521 A TW 200828521A TW 095149120 A TW095149120 A TW 095149120A TW 95149120 A TW95149120 A TW 95149120A TW 200828521 A TW200828521 A TW 200828521A
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TW
Taiwan
Prior art keywords
substrate
mems
microphone
disposed
micro electro
Prior art date
Application number
TW095149120A
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English (en)
Other versions
TWI327356B (zh
Inventor
Shao-Ping Lv
Original Assignee
Tong Hsing Electronic Ind Ltd
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 Tong Hsing Electronic Ind Ltd filed Critical Tong Hsing Electronic Ind Ltd
Priority to TW095149120A priority Critical patent/TW200828521A/zh
Publication of TW200828521A publication Critical patent/TW200828521A/zh
Application granted granted Critical
Publication of TWI327356B publication Critical patent/TWI327356B/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/10Bump connectors; Manufacturing methods related thereto
    • H01L2224/15Structure, shape, material or disposition of the bump connectors after the connecting process
    • H01L2224/16Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
    • H01L2224/161Disposition
    • H01L2224/16151Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/16221Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/16225Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805Shape
    • H01L2224/4809Loop shape
    • H01L2224/48091Arched
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/10Details of semiconductor or other solid state devices to be connected
    • H01L2924/1015Shape
    • H01L2924/10155Shape being other than a cuboid
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/151Die mounting substrate
    • H01L2924/1515Shape
    • H01L2924/15151Shape the die mounting substrate comprising an aperture, e.g. for underfilling, outgassing, window type wire connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/161Cap
    • H01L2924/1615Shape
    • H01L2924/16151Cap comprising an aperture, e.g. for pressure control, encapsulation

Landscapes

  • Micromachines (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Description

200828521 九、發明說明: 【發明所屬之技術領域】 一種體積小 而 本發明係屬於一種晶片封裝結構,尤指 節省空間的微機電麥克風封裝結構。 【先前技術】 麥克風係現代人常用的 廣,在生醫領域上可應用於 訊領域上則可應用於手機、 電腦等等。 視聽設備之一,且應用範圍甚 助聽器及電子耳,在電腦、通 數位相機、免持聽筒、筆記型 隨著電子產業的蓬勃於展乂芬制 建功i展以及製程及封裝技術的進 步’麥克風產品的設計卜更朝命吝士从 旯朝向夕功旎化的需求發展,為 求達到輕薄短小、省電、低忐太望 、 电低成本等泝求,目前已能利用半 導體製程來做出晶片型來吞颀 介 乃i麥兑風,亦%作微機電(]^]£]^3)麥 克風。 請參照第五圖,目前的微機電麥克風係主要在一基板 (9 0 ) 1設置有一電路及一微機電晶片(g丄),微機 電晶片(9 1 )係以打線方式與基板(9 〇 )丨的電路電 連接,在基板(90)上另設置有一覆蓋微機電晶片(9 1 )的殼蓋(9 3 )。微機電晶片(9工)與基板(9 〇〕 之間的空間形成U(9〇 ,做為聲音的共振腔。聲音 由殼蓋(9 3 )的孔進入,與晶片上的薄膜產生振動,振 動的訊號轉為晶片上的電流/電壓。 然而,在里產麥克風時,需逐一對各微機電晶片(9 1 )打線,無法一次同時對多個微機電晶片(9 i )進行 4 200828521 打線,因此,麥克風的量產速度大為降低,進而提高了麥 克風的製造成本。 【發明内容】 本發明人係根據現有微機電麥克風在量產時無法一次 對多個微機電晶片打線的缺點,改良不足與缺失,進而發 明出一種微機電麥克風封裳結構。 本發明係主要提供-種微機電麥克風,其可適用於流 烊製程以便一次大量流焊多個微機電晶片到基板上。 為達上述目的,係令前述微機電麥克風至少包含有: 一基板,其上設置有一線路,在基板上貫穿形成有一 通孔; “ 微機電3曰片,係設置在基板上且相對應通孔,微機 電曰曰片底邛與基板線路之間植佈有複數錫球以連接微機電 日日片與基板線路,,亥等錫球可透過流焊技術將微機電晶片 焊接在基板而與其上的線路連接; 保濩層,係設置在基板上且包覆該基板與其上的微 機電晶片。 藉由上述技術手段,由於微機電晶片透過錫球設置在 基板上,故在置產麥克風時,可一次令複數微機電晶片與 ^板通過錫爐流焊作業來焊接微機電晶片與基板,因此, 可有效縮短整批麥克風的製造時間,降低麥克風的製造成 f述微機電晶片與保護層之間設置有一密封層。 月·J述密封層係以矽製造。 5 200828521 前述保護層係以銅、鎳或其合金製造。 前述保護層係以濺鍍方式設置在微機電晶片與基板 上。 微機電晶片與基板之間設置有固定膠。 【實施方式】 請參照第一圖,本發明微機電麥克風封裝結構包含 有:一基板(1 0 )、一微機電晶片(2 0 )、複數錫球 (30)、一密封層(40)、一固定膠(50)及一保 護層(6 0 )。 該基板(10)上設置有一線路(圖中未示),在基 板(10)上貫穿形成有一通孔(11)。 該微機電晶片(2 〇 )係設置在基板(1 〇 )上且相 對應通孔(11)。 該等錫球(3 〇 )係植佈在微機電晶片(2 〇 )底部 與基板(1 0 )線路之間,以便連接微機電晶片(2 〇 ) 與基板(1 0 )上的線路,該等錫球可透過流焊技術將微 機電晶片(2 Q )焊接在基板(1 Q )上而與其上的線路 連接。 該密封層(4 〇 )係設置在微機電晶片(2 〇 )上。 該固定膠(5 0 )係設置在微機電晶片(2 0 )底端 周緣與基板(1 Q )之間以進_步固定微機電晶片(2 〇 )。 該保濩層(6 〇 )係以銅、鎳或其合金製造,以濺鍍 方式設置在基板(10)上,且包覆該基板(10)及其 上的微機電晶片(2〇)。 、 6 200828521 請參照第二到第四圖,以下為麥克風的封襞步驟: 首先如第二圖所示,係在複數基板(i 〇 )上分別設 置有一微機電晶片(2 0 ),在微機電晶片(丄〇 )上設 置有密封層(4 0 ),並在各對應微機電晶片(2 〇 )與 基板(1 0 )之間设置有複數錫球(3 〇 ),接著令所有 的微機電晶片(2 0 )與基板(i 〇 )同時通過銲錫爐, 令錫球(3 0 )熔化後固接相對應的微機電晶片(2 〇 ) 與基板(1〇)。 接著如第三圖所示,係在相對應的基板(i 〇 )與微 機電晶片(2 0 )之間設置有一固定膠(5 0 )以強化基 板(1 0 )與微機電晶片(2 〇 )間的固接強度。 最後在微機電晶片與基板上以濺鍍方式設置一保護層 (60)(如第四圖所示)。 藉由上述技術手段,由於微機電晶片(2 〇 )透過錫 球(30)設置在基板(1 〇)上,故在量產麥克風時, 可一次令複數微機電晶片(2 0 )與基板(i 0 )通過錫 爐流焊作業來焊接所有的微機電晶片(2 〇 )與基板(工 〇 ),因此,可有效縮短整批麥克風的製造時間,進而降 低麥克風的製造成本。 【圖式簡單說明】 第一圖係本發明正面剖視圖。 第二圖係本發明製造步驟示意圖。 第三圖係接續第二圖的製造步驟示意圖。 第四圖係接續第三圖的製造步驟示意圖。 7 200828521 第五圖係傳統麥克風的正面剖視圖。 【主要元件符號說明】 (11)通孔 (3 0 )錫球 (5 0 )固定膠 (9 0 )基板 (9 3 )殼蓋 (9 5 )通孔 (1 〇)基板 (2 0 )微機電晶片 (4 0 )密封層 (6 0 )保護層 (9 1 )微機電晶片 (9 4 )氣室 8

Claims (1)

  1. 200828521 十、申請專利範圍: 1 ·一種微機電麥克風,其包含有: 一基板,其上設置有一線路,該基板上貫穿形成有一 通孔; 一微機電晶片,係設置在基板上且相對應通孔,微機 電晶片底部與基板線路之間植佈有複數錫球,以連接微機 電曰曰片與基板線路,該等錫球係可透過流焊技術將微機電 晶片焊接在基板電路上;及 一保護層’係設置在基板上,以包覆該基板及其上的 微機電晶片。 2 ·如申請專利範圍第1項所述之微機電麥克風,其 中該微機電晶片與保護層之間設置有一密封層。 3 ·如申請專利範圍第2項所述之微機電麥克風,其 中該密封層係以石夕製造。 4 ·如申请專利範圍第1到3項中任一項所述之微機 電麥克風’其中該保護層係以銅或鎳或其合金製造。 5 ·如申請專利範圍第4項所述之微機電麥克風,其 中该保護層係以賤鍍方式設置在微機電晶片與基板上。 十一、圖式: 如次頁 9
TW095149120A 2006-12-27 2006-12-27 Package structure of micro electro-mechanical microphone TW200828521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW095149120A TW200828521A (en) 2006-12-27 2006-12-27 Package structure of micro electro-mechanical microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW095149120A TW200828521A (en) 2006-12-27 2006-12-27 Package structure of micro electro-mechanical microphone

Publications (2)

Publication Number Publication Date
TW200828521A true TW200828521A (en) 2008-07-01
TWI327356B TWI327356B (zh) 2010-07-11

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Publication number Publication date
TWI327356B (zh) 2010-07-11

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