Difference: MCMDPhotos (1 vs. 7)

Revision 72009-03-01 - LarsEklund

Line: 1 to 1
 
META TOPICPARENT name="MCMD"

Photos at reception of Run 1 wafers

Line: 36 to 36
 A set of lines with decreasing line width and spacing were put on the mask to assess the resolution of the process. Starting with 10 lines of 5 um line width and spacing, increasing with 5 um for each set of lines. As seen in the overview picture all lines down to 10 um line width and spacing were correctly reproduced. However, the smallest pitch region became merged into one solid metallisation as can be seen in the close-up.

-- LarsEklund - 16 Dec 2008 \ No newline at end of file

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Revision 62009-02-06 - RichardBates

Line: 1 to 1
 
META TOPICPARENT name="MCMD"

Photos at reception of Run 1 wafers

Revision 52009-02-03 - LarsEklund

Line: 1 to 1
 
META TOPICPARENT name="MCMD"

Photos at reception of Run 1 wafers

Revision 42009-01-29 - RichardBates

Line: 1 to 1
 
META TOPICPARENT name="MCMD"

Photos at reception of Run 1 wafers

Revision 32009-01-19 - LarsEklund

Line: 1 to 1
 
META TOPICPARENT name="MCMD"

Photos at reception of Run 1 wafers

Revision 22008-12-17 - LarsEklund

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META TOPICPARENT name="MCMD"

Photos at reception of Run 1 wafers

Revision 12008-12-16 - LarsEklund

Line: 1 to 1
Added:
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META TOPICPARENT name="MCMD"

Photos at reception of Run 1 wafers

The photos were taken at reception of the wafers, but after wafers w09 and w14 had some of their ground planes bonded to the bias rails. Bond tests and tuning were done on the large metallised area at the bottom of w09. The bonds are visible in the photos. The bias bond locations are described in BiasBonds.pdf.

Full wafer views

  6 um BCB 12 um BCB
Electrical w14, w15 w08, w09
Mechanical w17, w18, w19 w04, w05, w16

Close-up views on a few sensors on w14

Meshed GND plane, full view

Bias bond, close-up

Meshed GND plane, top half

Meshed GND plane, full view

Solid GND plane, top half

Triangular GND plane, full view

Close-up views on a few features on w14

Ground planes: solid, meshed, meshed (bond pad)

Bias and guard ring connections: bias and guard rings, bias ring via, bias bond (triangular), bias bond (meshed)

Strip connections: overview, zoom 1, zoom 2, zoom 3, bond pad, double vias

Bias resistor connections: resistor via, zoom

A set of lines with decreasing line width and spacing were put on the mask to assess the resolution of the process. Starting with 10 lines of 5 um line width and spacing, increasing with 5 um for each set of lines. As seen in the overview picture all lines down to 10 um line width and spacing were correctly reproduced. However, the smallest pitch region became merged into one solid metallisation as can be seen in the close-up.

-- LarsEklund - 16 Dec 2008

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