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    • 4. 发明授权
    • Two signal one power plane circuit board
    • 两个信号一个电源平面电路板
    • US06204453B1
    • 2001-03-20
    • US09203956
    • 1998-12-02
    • Kenneth FallonMiguel A. JimarezRoss W. KeeslerJohn M. LaufferRoy H. MagnusonVoya R. MarkovichIrv MemisJim P. PaolettiMarybeth PerrinoJohn A. WelshWilliam E. Wilson
    • Kenneth FallonMiguel A. JimarezRoss W. KeeslerJohn M. LaufferRoy H. MagnusonVoya R. MarkovichIrv MemisJim P. PaolettiMarybeth PerrinoJohn A. WelshWilliam E. Wilson
    • H05K103
    • H05K3/44H05K1/056H05K3/0023H05K3/108H05K3/426H05K3/445H05K2201/09554H05K2203/0733
    • A method of forming a printed circuit board or circuit card is provided with a metal layer which serves as a power plane sandwiched between a pair of photoimageable dielectric layers. Photoformed metal filled vias and photoformed plated through holes are in the photopatternable material, and signal circuitry is on the surfaces of each of the dielectric materials and connected to the vias and plated through holes. A border may be around the board or card including a metal layer terminating in from the edge of one of the dielectric layers. A copper foil is provided with clearance holes. First and second layers of photoimageable curable dielectric material is disposed on opposite sides of the copper which are photoimageable material. The patterns are developed on the first and second layers of the photoimageable material to reveal the metal layer through vias. At the clearance holes in the copper, through holes are developed where holes were patterned in both dielectric layers. Thereafter, the surfaces of the photoimageable material, vias and through holes are metalized by copper plating. This is preferably done by protecting the remainder of the circuitry with photoresist and utilizing photolithographic techniques. The photoresist is thereafter removed, leaving a circuit board or card having metalization on both sides, vias extending from both sides to the copper layer in the center, plated through holes connecting the two outer circuitized copper layers.
    • 形成印刷电路板或电路卡的方法设置有用作夹在一对可光成像的电介质层之间的电力平面的金属层。 光刻图形金属填充的通孔和光成像的电镀通孔位于光图案化材料中,信号电路位于每个介电材料的表面上,并连接到通孔和电镀通孔。 边界可以在板或卡周围,包括从电介质层之一的边缘终止的金属层。 铜箔上设有间隙孔。 可光成像的可固化介电材料的第一和第二层设置在作为可光成像的材料的铜的相对侧上。 图案在可光成象材料的第一层和第二层上显影,以通过通孔显露金属层。 在铜中的间隙孔处,通孔被开发成在两个电介质层中图案化孔。 此后,可光成像材料,通孔和通孔的表面通过镀铜进行金属化。 这优选通过用光致抗蚀剂和利用光刻技术保护电路的其余部分来实现。 然后去除光致抗蚀剂,留下在两侧具有金属化的电路板或卡,其中心的两侧延伸到铜层,通孔连接两个外部电路化的铜层。
    • 5. 发明授权
    • Composite laminate circuit structure and method of forming the same
    • 复合层压电路结构及其形成方法
    • US06175087B1
    • 2001-01-16
    • US09204458
    • 1998-12-02
    • Ross W. KeeslerVoya R. MarkovichJim P. PaolettiMarybeth PerrinoWilliam E. Wilson
    • Ross W. KeeslerVoya R. MarkovichJim P. PaolettiMarybeth PerrinoWilliam E. Wilson
    • H01R1204
    • H05K3/4641H05K3/0023H05K3/429H05K3/4623H05K2201/09509H05K2201/09536H05K2201/096H05K2201/09809
    • A method forming a composite laminate structure includes providing first and second circuit board element each having circuitry on at least one face thereof and plated through holes. A voltage plane element is provided having at least one voltage plane having opposite faces with layers of partially cured photodielectric material on each face. At least one hole is photopatterned and etched through the voltage plane element but completely isolated from the voltage plane. Each through hole in the voltage plane element is aligned with a plated through hole in each of the circuit board elements to provide a surface on the voltage plane element communicating with the plated through holes. The voltage plane is laminated between the circuit board elements and the photoimageable material on the voltage plane is fully cured. The surfaces of the voltage plane element communicating with the plated through holes in the circuit board elements are plated with a conducting material to establish a connection between the circuitry on the first and second circuit board elements.
    • 形成复合层压结构的方法包括提供在其至少一个表面上具有电路的第一和第二电路板元件,并且通孔穿过。 提供电压平面元件,其具有在每个面上具有与部分固化的光致电介质材料层相对的表面的至少一个电压平面。 至少有一个孔通过电压平面元件进行光刻图案蚀刻,但与电压平面完全隔离。 电压平面元件中的每个通孔与每个电路板元件中的电镀通孔对齐,以在与电镀通孔连通的电压平面元件上提供一个表面。 电压平面层压在电路板元件和电压平面上的可光成像材料之间完全固化。 与电路板元件中的电镀通孔连通的电压平面元件的表面镀有导电材料,以在第一和第二电路板元件之间的电路之间建立连接。
    • 6. 发明授权
    • Composite laminate circuit structure and method of forming the same
    • 复合层压电路结构及其形成方法
    • US06451509B2
    • 2002-09-17
    • US09753015
    • 2001-01-02
    • Ross W. KeeslerVoya R. MarkovichJim P. PaolettiMarybeth PerrinoWilliam E. Wilson
    • Ross W. KeeslerVoya R. MarkovichJim P. PaolettiMarybeth PerrinoWilliam E. Wilson
    • H05K111
    • H05K3/4641H05K3/0023H05K3/429H05K3/4623H05K2201/09509H05K2201/09536H05K2201/096H05K2201/09809
    • A method forming a composite laminate structure includes providing first and second circuit board element each having circuitry on at least one face thereof and plated through holes. A voltage plane element is provided having at least one voltage plane having opposite faces with layers of partially cured photodielectric material on each face. At least one hole is photopatterned and etched through the voltage plane element but completely isolated from the voltage plane. Each through hole in the voltage plane element is aligned with a plated through hole in each of the circuit board elements to provide a surface on the voltage plane element communicating with the plated through holes. The voltage plane is laminated between the circuit board elements and the photoimageable material on the voltage plane is fully cured. The surfaces of the voltage plane element communicating with the plated through holes in the circuit board elements are plated with a conducting material to establish a connection between the circuitry on the first and second circuit board elements.
    • 形成复合层压结构的方法包括提供在其至少一个表面上具有电路的第一和第二电路板元件,并且通孔穿过。 提供电压平面元件,其具有在每个面上具有与部分固化的光致电介质材料层相对的表面的至少一个电压平面。 至少有一个孔通过电压平面元件进行光刻图案蚀刻,但与电压平面完全隔离。 电压平面元件中的每个通孔与每个电路板元件中的电镀通孔对齐,以在与电镀通孔连通的电压平面元件上提供一个表面。 电压平面层压在电路板元件和电压平面上的可光成像材料之间完全固化。 与电路板元件中的电镀通孔连通的电压平面元件的表面镀有导电材料,以在第一和第二电路板元件之间的电路之间建立连接。