TWI362711B - Method for making a socket to perform testing on integrated circuits and socket made - Google Patents

Method for making a socket to perform testing on integrated circuits and socket made Download PDF

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Publication number
TWI362711B
TWI362711B TW092134227A TW92134227A TWI362711B TW I362711 B TWI362711 B TW I362711B TW 092134227 A TW092134227 A TW 092134227A TW 92134227 A TW92134227 A TW 92134227A TW I362711 B TWI362711 B TW I362711B
Authority
TW
Taiwan
Prior art keywords
wiring
conductive material
substrate
fabricating
depositing
Prior art date
Application number
TW092134227A
Other languages
English (en)
Other versions
TW200423277A (en
Inventor
Igor Y Khandros
Gaetan L Mathieu
Carl V Reynolds
Original Assignee
Formfactor Inc
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 Formfactor Inc filed Critical Formfactor Inc
Publication of TW200423277A publication Critical patent/TW200423277A/zh
Application granted granted Critical
Publication of TWI362711B publication Critical patent/TWI362711B/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L22/00Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R3/00Apparatus or processes specially adapted for the manufacture or maintenance of measuring instruments, e.g. of probe tips
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0433Sockets for IC's or transistors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0433Sockets for IC's or transistors
    • G01R1/0483Sockets for un-leaded IC's having matrix type contact fields, e.g. BGA or PGA devices; Sockets for unpackaged, naked chips
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/06Measuring leads; Measuring probes
    • G01R1/067Measuring probes
    • G01R1/073Multiple probes
    • G01R1/07307Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
    • G01R1/07364Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card with provisions for altering position, number or connection of probe tips; Adapting to differences in pitch
    • G01R1/07378Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card with provisions for altering position, number or connection of probe tips; Adapting to differences in pitch using an intermediate adapter, e.g. space transformers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2851Testing of integrated circuits [IC]
    • G01R31/2855Environmental, reliability or burn-in testing
    • G01R31/286External aspects, e.g. related to chambers, contacting devices or handlers
    • G01R31/2863Contacting devices, e.g. sockets, burn-in boards or mounting fixtures
    • 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
    • H01L2224/12Structure, shape, material or disposition of the bump connectors prior to the connecting process
    • H01L2224/13Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
    • H01L2224/13001Core members of the bump connector
    • H01L2224/13099Material
    • H01L2224/131Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/01Means 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
    • H01L24/10Bump connectors ; Manufacturing methods related thereto
    • H01L24/12Structure, shape, material or disposition of the bump connectors prior to the connecting process
    • H01L24/13Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
    • 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
    • H01L2924/01Chemical elements
    • H01L2924/01046Palladium [Pd]
    • 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
    • H01L2924/01Chemical elements
    • H01L2924/01055Cesium [Cs]
    • 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
    • H01L2924/01Chemical elements
    • H01L2924/01078Platinum [Pt]
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    • H01ELECTRIC ELEMENTS
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    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/01Chemical elements
    • H01L2924/01079Gold [Au]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
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    • 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
    • H01L2924/11Device type
    • H01L2924/14Integrated circuits
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49117Conductor or circuit manufacturing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49124On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/4913Assembling to base an electrical component, e.g., capacitor, etc.
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49124On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/4913Assembling to base an electrical component, e.g., capacitor, etc.
    • Y10T29/49144Assembling to base an electrical component, e.g., capacitor, etc. by metal fusion
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49124On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49147Assembling terminal to base
    • Y10T29/49149Assembling terminal to base by metal fusion bonding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49169Assembling electrical component directly to terminal or elongated conductor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49174Assembling terminal to elongated conductor
    • Y10T29/49179Assembling terminal to elongated conductor by metal fusion bonding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49194Assembling elongated conductors, e.g., splicing, etc.
    • Y10T29/49195Assembling elongated conductors, e.g., splicing, etc. with end-to-end orienting
    • Y10T29/49197Assembling elongated conductors, e.g., splicing, etc. with end-to-end orienting including fluid evacuating or pressurizing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49204Contact or terminal manufacturing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49204Contact or terminal manufacturing
    • Y10T29/49208Contact or terminal manufacturing by assembling plural parts
    • Y10T29/4921Contact or terminal manufacturing by assembling plural parts with bonding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/4921Contact or terminal manufacturing by assembling plural parts with bonding
    • Y10T29/49211Contact or terminal manufacturing by assembling plural parts with bonding of fused material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49204Contact or terminal manufacturing
    • Y10T29/49224Contact or terminal manufacturing with coating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/5313Means to assemble electrical device
    • Y10T29/532Conductor
    • Y10T29/53209Terminal or connector
    • Y10T29/53213Assembled to wire-type conductor
    • Y10T29/53217Means to simultaneously assemble multiple, independent conductors to terminal
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/53Means to assemble or disassemble
    • Y10T29/5313Means to assemble electrical device
    • Y10T29/53265Means to assemble electrical device with work-holder for assembly

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Measuring Leads Or Probes (AREA)

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1362711 ⑴ 玖、發明說明 【發明所屬之技術領域】 本發明係針對用於積體電路的插槽。更特別而言,此 插槽爲測試或預燒(burn-in)插槽,用以將積體電路連接至 用以最終測試的測試器,或用以預燒的預燒板。 ’ 【先前技術】 在半導體製造中,半導體晶片的測試爲重要的工作。 # 在半導體晶片製造程序的不同階段,會執行不同型式的測 試。例如,當半導體晶片已於晶圓上製造而成,但尙未切 成小塊及封裝時,在晶圓規模(s c a 1 e)上,會執行初始測 試。在執行較爲昂貴且耗時的封裝步驟之前,這些初始測 試會有助於識別缺陷的晶片。在初始測試之後,會將晶圓 切成小塊,並且會封裝個別的半導體晶片。然後,在晶片 規模上,會執行更精密的測試及預燒運作,以評估個別的 半導體晶片或數群多種晶片。 ® 執行測試及預燒運作的一種技術係將個別晶片置於插 槽中。不幸的是,傳統插槽會有所限制。對於製品及不可 靠的某物,傳統插槽或許是昂貴的。某些傳統插槽也已使 用彈簧針(f»〇g〇 pin),當作接觸元件。這樣的彈簧針是不 可靠且不可去除的。彈簧針還會限制插槽中的互連結構之 間距。例如,間距低於4 0密爾(m i 1)的彈簧針在機構上會 變的很困難,並且會過於昂貴。 因此,需要一種具有簡單可插入的互連結構之預燒插 (2) (2)1362711 槽測試裝置’其係經由落入(drop-in)、插入(plug-in)、或 類似的連接方式而耦接。互連結構還需要經由便宜的製造 程序而製造出來。 【發明內容】 本發明的實施例提出一種方法,包括製造犧牲基底中 的元件(例如,凹處)、利用犧牲基底中的元件來製造接點 結構、利用接點結構來製造互連結構、以及利用互連結構 來製造測試板之步驟。本發明的另外實施例提出一種藉由 此方法所製造的預燒插槽。 本發明之又另外的實施例提出一種用以測試積體電路 板的系統。此系統包括插槽。此插槽包括板子,製造用來 插入此插槽的互連結構,此互連結構係耦接至板子。此互 連結'構包括基底,以及第一焊墊與第二焊墊,耦接至基 底,並且經由通過基底的貫孔而相互耦接,第二焊墊係使 此互連結構耦接至板子。此互連結構還包括耦接至第一焊 塾的彈力(r e s i 1 i e n t)接點’在測試期間’彈力接點會與積 體電路互相作用。此插槽還包括耦接至板子的支持結構, 用以在測試期間,確定積體電路板與彈力接點之間的連 接。 本發明的另外實施例、特性、與優點,以及本發明之 各種不同實施例的結構及運作在底下會配合附圖,做更詳 細地說明。 (3) (3)1362711 【實施方式】 本發明的實施例係提出一種可便宜製造且易於插入插 槽之互連結構。互連結構係藉由形成具有凹處(cavity)的 犧牲(sacrificial)基底(其藉由具有對應於凹處的開口之遮 罩材料所覆蓋)而製造出來。第一佈植製程係進行沈積導 電材料’緊接著爲耦接開口內的接線,並且進行沈積更多 的導電材料之另一佈植製程。互連結構係藉由最初移除遮 罩材料及犧牲基底而完成。接線的端點現在會相對耦接· 形成至板子的接點結構。爲了完成插槽,支持裝置會耦接 至板子’以維持測試積體電路。 積體電路半導體 圖1 A · 1 B係分別顯示根據本發明的實施例之欲做測 試的半導體晶片100(例如,積體電路(IC))之側視圖及底 視圖。半導體晶片]〇 0可爲已封裝或未封裝。半導體晶片 1〇〇可爲(但不受限於)具有錫球接點〗〇2 (例如,「受控的 、 折暨晶片連接(control丨 ed co 丨lapse chip connection)」(也 稱爲C4))的覆晶(flip-chip)半導體。—般而言,可使用 任何型式的半導體晶片及接點。 互連結構製造程序 ^ 圖2 - 6係繪示製造根據本發明的實施例之用於插槽 600(圖6)的互連結構(例如’瓦溝(ti]e))5〗4(圖5)之程序。 圖2 A-2B係分別顯示根據本發明的實施例之犧牲 -7 - (4) (4)1362711 (sacrificial)基底200的截面圖及底視圖。犧牲基底200 可爲能進入可形成爲元件(例如’凹處(cavity))202的任何 和材料。如其名所意含,犧牲基底200可溶解 '蝕刻消 失、或用其他方式,從最後結構中移除。在某些實施例 中,銅或鋁薄片,或金屬薄片(foil)可用於犧牲基底2 00。 在另外的實施例中,矽、陶瓷 '鈦-鎢、以及類似之物可 用於犧牲基底200。如所示,凹處202係形成於犧牲基底 200之中。在各種不同的實施例中,凹處202可藉由浮雕 (e m b o s s)、蝕刻、或類似的方式而形成。如將會見到的, 凹處2 00係對應於半導體晶片1〇〇上的接點102。 圖3 A - 3 B係分別顯示根據本發明的實施例之具有加 入遮罩材料3 00的犧牲基底200之截面圖及底視圖。在某 些實施例中’遮罩材料3 0 0可爲光阻材料。如所示,開口 302係形成於遮罩材料300之中。這些開口 302會使圖2 中所形成的凹處202曝光。 圖4 A · 4 D係顯示根據本發明的實施例之額外的程序 步驟。在圖4A中,導電材料4〇〇係沈積或鍍於開口 3〇2 之中。在某些貫施例中,導電材料4〇〇可爲堅硬、金屬' 及/或電子導電材料。例如,導電材料4〇〇可爲錢材料及 紀銘合金。如將見到的,導電材料4〇〇會形成接點尖端 4〇2 ’其在測試期間,係用來連接半導體晶片1〇〇。雖然 所顯示的具有二個延伸部份,但是接點尖端402可因爲不 同的說明書及實施例所需要,而具有—個或多㈣伸部 份。在另外的實施例中,接勖4、to_____ .. ^ ~ 8 - (5) (5)1362711 層的材料(例如軟金層、鎳層、以及硬金層)所組成。在另 外的實施例中’其他材料的非消耗淸單可包括:銀記、 鉑、錢 '導電氮化物、導電碳化物 '鎢、鈦、鉬、銶、 銦、餓、耐火金屬、或類似之物。遍及說明書的其餘部 份’將會使用項目(導電材料400)’而此項目係意謂包括 一種或多種材料,而若超過一種材料,則爲堆積成層的材 料。導電材料4 00可使用任何適合的方法’而沈積於開口 302中。在各種不同的實施例中,沈積方法可爲電鍍、物 理或化學氣相沈積、濺鍍、或類似的方法。形成接點尖端 4 02的層可以類似的方式而沈積。 雖然未顯示,但是在各種不同的實施例中,釋放 (release)材料可在沈積導電材料4〇〇之前,沈積於開口 302中。使用釋放材料可便於由來自於犧牲基底2〇〇的導 電材料4 0 0所形成的接點結構5 〇 6 (圖5 B )的最後移除。在 某些實施例中’釋放層可爲一層鋁。在更另外的實施例 中,雖然也未顯示,但是由導電材料所組成的晶層(seed layer)也可在沈積導電材料 4〇〇之前,沈積於開口 3〇2 中。在更另外的實施例中,晶層可在沈積遮罩材料300之 前’沈積當作整個犧牲基底2 00上的覆蓋層。若使用電鍍 來沈積導電材料400,則晶層可便於電鍍。 圖4 B係顯示根據本發明的實施例之每個開口 3 0 2至 導電材料400所接合的接線4 04。接線404可使用熟知的 打線接合技術(w i r e b ο n d i n g t e c h n i q u e)來接合。打線接合 技術的一例係出現於Eldridge等的美國專利第5 601740 (6) (6)1362711 號’其全部在此倂入做爲參考。在某些實施例中,接線 4 04可由相當軟,容易成形的材料所組成,而在另外的實 施例中’可使用其他型式的材料。可用於接線4〇4的材料 之例子包括金 '鋁、銅 '鉑、鉛、錫、銦、其合金 '或類 似之物。在某些實施例中,接線4 0 4的直徑可位於〇 . 2 5 至]0密爾(mil)的範圍內。可知道的是,接線404可具有 其他形狀的截面,如長方形或任何其他的形狀。 圖4C係顯示鍍上第二導體材料406的接線404及導 電材料400。在某些實施例中,導體材料4〇6會比構成接 線4 0 4的材料堅固,以強化接點結構5 〇 6 (圖5 B )。適合材 料的某些例子包括鎳、銅、焊錫、鐵、鈷、錫、硼、磷、 銘 '鎢、鉬、鉍、銦、鉋、銻、金、鉛、錫 '銀、铑、 鈀、鉑、釕、其合金、或類似之物。在某些實施例中,導 體材料406可爲0.2至10密爾厚。導體材料406可使用 任何適合的方法而沈積於接線4 0 4上。在各種不同的實施 例中’沈積方法包括電鍍、物理或化學氣相沈積、濺鍍、 或類似的方法。接合接線,然後於其上,將接線電鍍之用 於接線的例子方法係敘述於Khandros的美國專利第 5476211號、Khandros等的美國專利第5917707號、 Eldridge等的美國專利第6336269號,其全部在此倂入做 爲參考。 圖4D係繪式在已移除遮罩材料300之後的程序。 匱I 5 A - 5 B係顯示根據本發明的實施例之額外的程序 步驟。圖5A係顯示具有導電塗層(coating)4〇6的接線404 -10- (7) 1362711 之未固定(free)端5 00係經由使用耦接材料504,而耦接 至接線基底5 02。在各種不同的實施例中,耦接可藉由打 線 '焊接 '銅鋅合金焊接(braze)、或類似的方式來達成。 在耦接具有導電塗層4 06的接線4 04之未固定端5 00之步 驟的實施例中,包括加熱,接線404及接點結構506(圖 5 B)也可以加熱來處理。這種的其他例子係出現於陳(Chen) 等的美國專利第6 1 5 0 1 86號,其全部在此會倂入做爲參 考’而其係揭露將.彈力接點結構加熱處理的方法。 書 圖5 B係顯示根據本發明的實施例之接線基底5 〇2的 配置。接線基底5 0 2可爲具有位於接線基底5 0 2的對側之 焊墊508及510之陶瓷基底。焊墊508及510可經由使用 通過接線基底5 02的貫孔(Vias)5 12而耦接。在另外的實 施例中,接線基底502可爲印刷電路板或印刷接線板。如 圖5B中亦顯示的,犧牲基底200會移除(其可由蝕刻、溶 解、或其他的方式來達成)形成犧牲基底200的材料。具 有接點結構5 06、焊墊5 0 8,5 1 0、以及貫孔5 1 2的接線基 β 底502之另一項目爲互連結構514。在某些實施例中,互 連結構514可用來進行測試或預燒插槽600(圖6)。在各 種不同的實施例中,互連結構5 1 4可爲模組互連結構 '落 下(drop-in)互連結構、插入(plUg-in)互連結構、或類似的 結構,其易於插入插槽600,或任何其他的插槽。 根據本發明之製造互連結構5 ] 4的程序之另外的優點 爲此程序可以是便宜的,並且可在互連結構上分開進行。 以此方式,缺陷的互連結構可在形成插槽之前,識別出來 -11 - 1362711
且移除。此程序的另外優點爲具有配置低於4 0密爾(包括 約1 0密爾或更低)的細微間距之接點元件的互連結構可以 便宜製造且大量製造。因此,對於製造細微間距的插槽, 此程序是可靠且便宜的技術。 插槽形成程序 圖6係顯示根據本發明的實施例之插槽6 0 0,其中互 連結構5 1 4係耦接且電性接線至板子602(例如,測試板 或插槽板)。在某些實施例中,板子602會包括具有有鏈 (h i n g e d )密合裝置6 0 6的支持結構6 0 4,用以在測試期 間,維持積體電路(IC)IOO。在各種不同的實施例中,板 子6 0 2可爲測試板或預燒板。互連結構5 1 4可以任何適合 的方式,電性連接至板子602,如藉由焊接608、接腳(未 顯示)、或任何其他型式的接點。例如,接腳會與對應的 孔洞(未顯示)形成恰當的摩擦力。在另一實施例中,板子 602可爲插槽板’其本身會插入,或者是附著於較大的測 試系統(未顯示)。 圖7係顯示根據本發明之耦接至板子7 0 2的多種互連 結構700之實施例。雖然以多個1C 1 00來顯示,但是在 另外的實施例中,可測試具有許多球狀接點1 〇 2的一個 1C 1〇〇。在此實施例中,用以連接1C ]〇〇的彈力接點704 之陣列係藉由以取決於球狀接點1 02的配置之各種不同的 配置’將複數種互連結構7 0 0耦接至板子7 0 2而建造出 來。如以上所討論,在各種不同的實施例中,板子702可 -12- (9) (9)1362711 爲測試板或預燒板,而與6〇4類似的複數種支持結構(爲 便於起見,未顯示於圖7中)可緊接於互連結構700周圍 的板子7 0 2。 製造互連結構及插槽的方法 圖8係顯示根據本發明的實施例之製造插槽的方法 8〇〇。在步驟802,犧牲基底係以形成於如想要的基底中 之任何型式或數量的元件來形成。例如,可將凹處形成爲 如圖2中所繪示。在步驟804,電鍍接線係基於犧牲基底 而形成。這可經由如配合圖3 - 4所述的各種方法來達成。 在步驟8 06,互連結構係基於電鍍接線而形成。這可經由 配合圖5所述的各種方法來達成。在步驟8〇8,插槽係基 於互連結構而形成。這可經由配合圖6及7所述的各種方 法來達成。 圖9係顯示根據本發明的實施例之製造插槽個更詳細 方法900。在步驟902,凹處(例如,元件或凹處2〇2)係形 成於犧牲基底(例如’基底2〇〇)之中。在步驟9〇4,製造 材料(例如,製造材料3〇〇)係沈積於犧牲基底之上。在步 驟906,開口(例如,開口 3〇2)係形成於對應於凹處的遮 罩材料之中。在步,驟9〇8,導電材料(例如,導電材料4〇〇) 係沈積或艘於開口之中。在步驟9】〇,接線(例如,接線 4〇4)係親接至導電材料。在步驟912,第二導電材料(例 如,導電材料4〇6)係沈積或鍍於接線及第一導電材料之 上在^驟9丨4,會移除遮罩材料。在步驟9 1 6,耦接材 -13- (10) (10)1362711 料(例如,耦接材料504)係用來使具有導電材料的接線之 尖端(例如,尖端5 00)耦接至接線基底(例如,接線基底 5〇2)。在步驟918,會移除犧牲基底,而形成互連結構(互 連結構5 1 4或7 00)。在步驟920,互連結構會耦接至板子 (例如’板子602或702),而形成插槽(例如,插槽600)。 結論 雖然本發明的各種實施例已敘述於上,但是應該了解 到的是,其只是藉由例子來呈現,而不是限制。對於熟習 相關技術者而言,顯然可知的是,在不脫離本發明的精神 及範圍之下,可做形式及細節的各種改變。因此,本發明 的廣度及範圍不應該由任何上述的範例實施例來做限制, 而應該只根據以下的申請專利範圍及其等效來做定義。 【圖式簡單說明】 倂入於此且形成說明書的一部份之附圖係繪式本發明 的範例實施例,並且伴隨說明,係進一步用來解釋本發明 的原理,以及使熟習有關技術者能達成及使用本發明。 圖1 A及1 B係分別繪示根據本發明的實施例之測試 的覆晶(flip-chip)半導體之側視圖及底視圖; 圖2 A及2 B係分別繪示根據本發明的實施例之犧牲 (sacrificial)基底的截面圖及底視圖; 圖3A及3B係分別繪示具有遮罩材料之圖2A及2B 的犧牲基底之截面圖及底視圖; * 14 - (11) (11)1362711 圖4A、4B、4C、以及4D係顯示形成根據本發明的 實施例之測試插槽的程序步驟; 圖5 A及5 B係顯示形成根據本發明的實施例之測試 插槽的進一步程序步驟; 圖6係顯示形成根據本發明的實施例之測試插槽的更 進一步程序步驟, 圖7係顯示根據本發明的實施例之用來測試晶圓上的 複數個裝置之複數個插槽; 圖8係顯示描述根據本發明的實施例之製造插槽的全 部方法之流程圖;以及 圖9係顯示描述圖8的方法之更詳細的方法步驟之流 程圖。 現在,本發明的範例實施例將會配合附圖做說明°在 圖式中,相似的參考標號係表示相同或功能相似的元件。 此外,參考標號之最左邊的數字係用來分辨參考標號第一 次出現的圖式。 主要元件對照表 100半導體晶片 ]02錫球接點 2 00犧牲基底 2〇2元件 3 00遮罩材料 3 02 開口 (12) (12)1362711 400導電材料 4 0 2接點尖端 4 0 4 接線 4 0 6第二導體材料 5 00 未固定端 5 0 2 接線基底 5 04耦接材料 5 0 6接點結構 5 0 8 焊墊 5 1 0 焊墊 5 ] 2貫孔 5 1 4互連結構 600插槽 602板子 604支持結構 606有鏈密合裝置 608焊接 700互連結構 702板子 7〇4彈力接點

Claims (1)

1362711 公告本 第92134227號專利申請案申請專利範圍修正本拾、申請專利範圍 1 · 一種用以製造供執行積 法,包含下列步驟:
100.06.29. 體電路測試之插槽的方 製造一犧牲基底中的接點元件’該犧牲基底包括用以 形成該等接點元件之尖端之凹處; 藉由將該等接點元件附接於支撐電氣路徑選擇線之一 接線基底、將該等電氣路徑選擇線連接至相對於該等尖端 之該等接點元件、及於其後移除該犧牲基底來製造一互連 結構;以及 製造一組構爲可維持自一供測試用之晶圓切割之一半 導體晶片的插槽板,其中製造該插槽板包括將該互連結構 附接於該插槽板。 2 ·如申請專利範圍第1項所述之方法,其中該製造 接點元件步驟包含下列步驟: 於該犧牲基底製造供每一接點元件用的多個凹處;以 及 設置一導電材料於該等凹處內,以形成該等接點元件 之該等尖端。 3 ·如申請專利範圍第2項所述之方法,更包含浮雕 該犧牲基底’以執行該製造凹處步驟之步驟。 4 _如申請專利範圍第2項所述之方法,更包含蝕刻 該犧牲基底’以執行該製造凹處步驟之步驟。 5 _如申請專利範圍第1項所述之方法,更包含從銅 中’形成該犧牲基底之步驟。 1362711 第92134227號專利申請案申請專利範圍修正本 6.如申請專利範圍第1項所述之方法, 中,形成該犧牲基底之步驟。 7 ·如申請專利範圍第1項所述之方法, 中,形成該犧牲基底之步驟。 8 ·如申請專利範圍第1項所述之方法, 瓷中,形成該犧牲基底之步驟。 9 ·如申請專利範圍第1項所述之方法, 鎢中,形成該犧牲基底之步驟。 10·如申請專利範圍第1項所述之方法, 接點元件步驟包含下列步驟: 將遮罩材料沈積於該犧牲基底之上; 將開口形成於對應於該等元件的該遮罩材 將第一導電材料沈積於該等開口之中; 將一接線與該等開口中之每一者的該導電 將第二導電材料沈積於該等接線之上;以 移除該遮罩材料。 11.如申請專利範圍第1 0項所述之方法 用光阻材料當作該遮罩材料之步驟。 1 2 .如申請專利範圍第1 〇項所述之方法 用堅硬金屬材料當作該第一導電材料之步驟。 1 3 .如申請專利範圍第1 〇項所述之方法 用铑材料當作該第一導電材料之步驟。 1 4 ·如申請專利範圍第〗〇項所述之方法 積第一導電材料步驟包含下列步驟: 100.06.29. 更包含從鋁 更包含從矽 更包含從陶 €包含從鈦-其中該製造 料之中; 材料接合; 及 ,更包含利 ,更包含使 ,更包含使 ,其中該沈 -18- 1362711 第92134227號專利申請案申請專利範圍修正本 100-06.29. 沈積一軟金層; 沈積一鎳層;以及 沈積一硬金層。 1 5·如申請專利範圍第1 〇項所述之方法,其中該沈 積第一導電材料步驟包含使用電鍍來執行該沈積之步驟。 1 6 .如申請專利範圍第1 0項所述之方法’其中該沈 積第一導電材料步驟包含使用氣相沈積來執行該沈積之步 驟。 1 7 _如申請專利範圍第1 0項所述之方法,其中該沈 積第一導電材料步驟包含使用濺鍍來執行該沈積之步驟。 1 8 .如申請專利範圍第1 〇項所述之方法,更包含在 執ίτ該沈積第-導電材料步驟之前,將一釋放材料沈積於 該等開口中之步驟。 1 9·如申請專利範圍第〗8項所述之方法,其中該沈 積一釋放材料步驟包含使用鋁當作該釋放材料之步驟。 2〇·如申請專利範圍第1 〇項所述之方法,更包含在 執行該沈積第一導電材料步驟之前’將一種晶層沈積於該 等開口中之步驟。 2 1 ·如申請專利範圍第1 0項所述之方法,更包含在 執行Μ沈積遮罩材料步驟之前,將一種晶層沈積於該犧牲 基底之上的步驟。 22 .如申請專利範圍第1 0項所述之方法,其中該接 合一接線步驟包含使用軟式,可成形材料當作該接線之步 驟。 -19- 1362711 第92134227號專利申請案申請專利範圍修正本 100.06.29. 23 ·如申請專利範圍第1 〇項所述之方法,其中該接 合一接線步驟包含使用金當作該接線之步驟。 24. 如申請專利範圍第1〇項所述之方法,其中該接 合一接線步驟包含使用鋁當作該接線之步驟。 25. 如申請專利範圍第1〇項所述之方法,其中該接 合一接線步驟包含使用銅當作該接線之步驟。 2 6 _如申請專利範圍第1 0項所述之方法,其中該接 合一接線步驟包含使用鉑當作該接線之步驟。 2 7 ·如申請專利範圍第1 〇項所述之方法,其中該接 合一接線步驟包含使用鉛當作該接線之步驟。 2 8 ·如申請專利範圍第1 〇項所述之方法,其中該接 合一接線步驟包含使用錫當作該接線之步驟。 29.如申請專利範圍第10項所述之方法,其中該接 合一接線步驟包含使用銦當作該接線之步驟。 3 0 ·如申請專利範圍第1 〇項所述之方法,其中該接 合一接線步驟包含使用合金當作該接線之步驟。 3 1 .如申請專利範圍第1 0項所述之方法,更包含將 比用於該接線的材料更爲堅固的一材料用於該第二導電材 料,以強化一接點結構之步驟。 3 2 .如申請專利範圍第1 0項所述之方法,其中該製 造一互連結構步驟包含下列步驟: 將該等接線的未固定端耦接至該接線基底。 33.如申請專利範圍第32項所述之方法,其中該耦 接步驟包含使用接線,使該等接線的該等未固定端耦接至 -20- 1362711 第92134227號專利申請案申請專利範圍修正本 100.06.29. 該接線基底之步驟。 34.如申請專利範圍第32項所述之方法,其中該耦 接步驟包含使用銅鋅合金焊接,使該等接線的該等未固定 端親接至該接線基底之步驟。 3 5 如申請專利範圍第3 2項所述之方法,其中該耦 接步驟包含使用加熱技術,使該等接線的該等未固定端耦 接至該接線基底之步驟。 36.如申請專利範圍第32項所述之方法,更包含藉 由下列步驟形成該接線基底之步驟: 將第一焊墊與第二焊墊耦接至一基底的相對側;以及 以一通過該基底的貫孔,將該第一焊墊與該第二焊墊 互連以形成該等電氣路徑選擇線。 3 7.如申請專利範圍第3 6項所述之方法,其中該形 成步驟包含使用一陶瓷材料,而形成該基底之步驟。 38·如申請專利範圍第1項所述之方法,其中該製造 測試板步驟更包含將該互連結構耦接至一板子之步驟。 39·如申請專利範圍第38項所述之方法,更包含將 一支持結構耦接至該板子,以將該半導體晶片完全地維持 於一藉由該插槽板形成之插槽內之步驟。 40·如申請專利範圍第1項所述之方法,其中該製造 一互連結構步驟包含製造複數個互連結構,每一互連結構 包括具有接點元件之一接線基底,並且其中該製造一插槽 驟包含組構該插槽板,以支持自一晶圓切割之複數個 半導體晶片,以同時接觸該等複數個互連結構。 -21- 1362711 第92134227號專利中請案中請專利範圍修正本 100.06.29. 41-如申請專利範圍第1項所述之方法,更包含將一 支持結構附接於該插槽板以於測試期間頂住該等接點元件 而將該半導體晶片維持於該插槽之步驟,該支持結構係藉 由一鉸鏈連接於該插槽板。 42.如申請專利範圍第1項所述之方法,更包含下列 步驟: 將該互連結構容置於藉由該插槽板形成之一凹處內, 該插槽板包含一底部構件及二附接於該底部構件之側部構 件,以形成該凹處;以及 於測試期間使用藉由一鉸鏈附接於該插槽之一側部 構件之一頂部構件’將該半導體晶圓維持於該插槽板之該 凹處內,以獲得與該等接點元件之尖端之接觸。 43 ·如申請專利範圍第42項所述之方法,其中該半 導體晶片包含一設置於含有一封裝體之一晶粒上之積體電 路。 44.如申請專利範圍第1項所述之方法,更包含在該 半導體晶片係藉由該插槽板支持之情形下,執行該半導體 晶片之預燒測試之步驟。 -22-
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AU2003298856A8 (en) 2004-06-30
TW200423277A (en) 2004-11-01
CN1745307A (zh) 2006-03-08
WO2004053976A2 (en) 2004-06-24
CN100538369C (zh) 2009-09-09
US20040107568A1 (en) 2004-06-10
US7330039B2 (en) 2008-02-12
AU2003298856A1 (en) 2004-06-30
EP1570277A2 (en) 2005-09-07
WO2004053976A3 (en) 2004-08-05
EP1570277B1 (en) 2010-02-10
US6920689B2 (en) 2005-07-26
US20050167816A1 (en) 2005-08-04
KR20050085387A (ko) 2005-08-29
JP2006509215A (ja) 2006-03-16
DE60331243D1 (de) 2010-03-25
US20080132095A1 (en) 2008-06-05

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