Specific Process Knowledge/Pattern Design/Travka/fields/Tridge: Difference between revisions

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The T-ridge field

The T-ridge fields contain a triple ridge structure for a number of different ridge widths. The triple ridge structure is shown in the image.

Definition of the measures used in the table below

It consists of three ridges of a certain width. The two trenches between them have the same width. The three ridges are separated by an etched area that is five times the ridge width. This parameters of this feature is not changed in the different Travka masks. In order to vary the exposed area on each Travka mask a masked area (in the figure called 'space') is added between every feature.

Travka 05 T-ridge field

**Travka 05: T-ridge 2 µm to 6 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
2	10	10	450	480	2	960
3	15	15	675	720	1	1680
4	20	20	900	960	1	2640
5	25	25	1125	1200	1	3840
6	30	30	1350	1440	1	5280

**Travka 05: T-ridge 8 µm to 20 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
8	40	40	1800	1920	1	7200
10	50	50	2250	2400	1	9600
15	75	75	3375	3600	1	13200
20	100	100	4500	4800	1	18000

Travka 10 T-ridge field

**Travka 10: T-ridge 2 µm to 6 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
2	10	10	210,0	240	3	720
3	15	15	315,0	360	3	1800
4	20	20	420,0	480	3	3240
5	25	25	525,0	600	3	5040
6	30	30	630,0	720	3	7200

**Travka 10: T-ridge 8 µm to 20 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
8	40	40	840,0	960	2	9120
10	50	50	1050,0	1200	2	11520
15	75	75	1575,0	1800	2	15120
20	100	100	2100,0	2400	2	19920

Travka 20 T-ridge field

**Travka 20: T-ridge 2 µm to 6 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
2	10	10	90,0	120	5	600
3	15	15	135,0	180	6	1680
4	20	20	180,0	240	5	2880
5	25	25	225,0	300	5	4380
6	30	30	270,0	360	5	6180

**Travka 20: T-ridge 8 µm to 20 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
8	40	40	360,0	480	5	8580
10	50	50	450,0	600	5	11580
15	75	75	675,0	900	4	15180
20	100	100	900,0	1200	4	19980

Travka 35 T-ridge field

**Travka 35: T-ridge 2 µm to 6 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
2	10	10	38,6	68,5	7	480
3	15	15	57,9	102,9	7	1200
4	20	20	77,1	137,1	9	2434
5	25	25	96,4	171,4	8	3805
6	30	30	115,7	205,7	8	5451

**Travka 35: T-ridge 8 µm to 20 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
8	40	40	154,3	274,3	8	7646
10	50	50	192,9	342,9	8	10389
15	75	75	289,3	514,3	8	14503
20	100	100	385,7	685,7	8	19989

Travka 50 T-ridge field

**Travka 50: T-ridge 2 µm to 6 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
2	10	10	18,0	48	13	624
3	15	15	27,0	72	12	1488
4	20	20	36,0	96	12	2640
5	25	25	45,0	120	12	4080
6	30	30	54,0	144	12	5808

**Travka 50: T-ridge 8 µm to 20 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
8	40	40	72,0	192	12	8112
10	50	50	90,0	240	11	10752
15	75	75	135,0	360	11	14712
20	100	100	180,0	480	11	19992

Travka 65 T-ridge field

**Travka 65: T-ridge 2 µm to 6 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
2	10	10	6,9	36,9	16	590,8
3	15	15	10,4	55,4	17	1532,3
4	20	20	13,8	73,8	15	2640
5	25	25	17,3	92,3	15	4024,6
6	30	30	20,8	110,8	15	5686,2

**Travka 65: T-ridge 8 µm to 20 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Space (µm)	Total feature width (µm)	Number of features	Total width (µm)
8	40	40	27,7	147,7	15	7901,5
10	50	50	34,6	184,6	15	10670,8
15	75	75	51,9	276,9	15	14824,6
20	100	100	69,2	369,2	14	19993,8

Travka 80 T-ridge field

**Travka 80: T-ridge 2 µm to 6 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Total feature width (µm)	Number of features	Total width (µm)
2	10	10	30	18	540
3	15	15	45	20	1440
4	20	20	60	18	2520
5	25	25	75	18	3870
6	30	30	90	18	5490

**Travka 80: T-ridge 8 µm to 20 µm features**
Width (µm)	Triple width (µm)	Area (µm)	Total feature width (µm)	Number of features	Total width (µm)
8	40	40	120	18	7650
10	50	50	150	18	10350
15	75	75	225	18	14400
20	100	100	300	18	19800

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 == The T-ridge field ==
-<!-- revised 1/6-2015 by jmli -->
+<!--Checked for updates on 30/7-2018 - ok/jmli -->
 The T-ridge fields contain a triple ridge structure for a number of different ridge widths. The triple ridge structure is shown in the image. [[Image:T-ridge2.jpg |500x500px|thumb|Definition of the measures used in the table below]] It consists of three ridges of a certain width. The two trenches between them have the same width. The three ridges are separated by an etched area that is five times the ridge width. This parameters of this feature is not changed in the different Travka masks. In order to vary the exposed area on each Travka mask a masked area (in the figure called 'space') is added between every feature.